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->''"What is the meaning of Cow Tools? What is the meaning of life?"''
-->-- '''Newspaper reader,''' ''The Prehistory of ComicStrip/TheFarSide.''

In many exotic locations such as the BazaarOfTheBizarre, the BlackMarket, the MadScientistLaboratory, the Wizard's Cave, DarkestAfrica, or TheFuture, there will be a lot of odd bits of mysterious... Stuff... Lying about. What is it? What does it do? [[ChekhovsGun Why is it there?]]

Well, chances are it isn't ''anything.'' While some of it may be a genuine bit of AppliedPhlebotinum [[ChekhovsGun put there as]] {{Foreshadowing}}, much of the time it's just Cow Tools: Props or artwork that the designer of the scene threw in to [[NarrativeFiligree add to the color or atmosphere of the place.]] This doesn't stop the fans for [[EpilepticTrees wildly speculating about them,]] though. Cow Tools are similar to NoodleImplements in that they both invite speculation; the difference is that the former are completely obscure while the latter are ordinary in and of themselves but have a mysterious and unexplained connection to [[NoodleIncident some event.]]

Named for a notorious ''ComicStrip/TheFarSide'' cartoon of the same name, showing a set of primitive looking but vaguely familiar tools which a bipedal cow is showing off. ''Gary Larson'' would later say that it was the strip he'd gotten the most inquiries about, as people [[EpilepticTrees tried in vain to figure out what the hell they were for,]] when in fact Larson hadn't meant them to be [[ShrugOfGod anything but strange.]] Larson later said that he regretted having made one of the tools look vaguely like a saw, thus implying the rest had real-world counterparts. He got the idea from the [[ViewersAreGeniuses recent discovery that some animals could use tools,]] and then wondered what it would be like if cows had tools. He thinks his biggest mistake was [[GeniusBonus thinking this was funny]] -- which it was, but for different reasons than what he intended.

On the other hand, the fact that there is NoSuchThingAsBadPublicity no doubt attracted more readers to the strip and boosted Larson's circulation. Go figure.

One thing about Cow Tools is that it can be useful for hiding a clever ChekhovsGun among them. Everything else has no purpose in the story, ''except for that one thing...''

ApothecaryAlligator is a particular cow tool that appears in many works and has a specific significance (but no apparent purpose). EmptyRoomPsych is a video game version of this--the empty room or mysterious device doesn't actually do anything, it's just for flavor.



[[folder:Anime and Manga]]
* Nearly every bulkhead in any starship or other vehicle designed by Creator/LeijiMatsumoto will be ''covered'' in an insane array of electronic instruments, usually glowing, circular, and inset into said bulkhead. They're affectionately known as [[FanNickname Matsumoto Gauges]], rhyming with Matsumoto Leiji.

* Creator/JackKirby covered ''everything'' in Cow Tools. He was incapable of drawing a simple box; every device had innumerable chrome tubes, knobs, discs, and zigzags to no apparent purpose. Guess he wanted his machines to complement the [[KirbyDots dots]] they generated.
** Parodies like ''ComicStrip/TwistedToyfareTheatre'' have a ball with this. "Help me lift this giant piece of Kirby-esque machinery!"
* ''ComicBook/TheSandman''. Lying between every CallBack and CallForward in Dream's storage areas is two or more utterly useless, but fantastical looking thingiemajjigs.
* Although [[ComicStrip/TheFarSide Gary Larson]] claims that the reaction surrounding the TropeNamer will haunt him until the day he dies, it actually generated a lot of positive publicity for ''The Far Side'' and may even have boosted its circulation.
** There were a few other ''Far Side'' cartoons involving these. In one, gangsters torturing a hostage bring out what they call "Mr. Thingy," [[CoolAndUnusualPunishment which looks like a fishing rod attached to a bicycle horn with a carrot on the string]]. In another, "Edgar finds his purpose," a man digging around the couch finds a ball with springs coming off of it, including one with a duck's head attached. Larson has stated that after the controversy over "Cow Tools," he was afraid people would overanalyze these ones.
* ''ComicBook/MadMagazine'' has an article which broke down the budget of your average episode of ''LiveActionTelevision/{{ER}}''. Amongst things like Gucci toe tags there were "beeping machines", "blinking machines", and "[[BuffySpeak machines with accordion thingies inside that go 'schwoom schwoom']]."

[[folder:Fan Fic]]
* ''FanFic/BagEnders'' episode "A Shortcut to Whitby" features the "long bent thing with sort of a knob on the end" (inspired by a similar item on an episode of ''Radio/TheGoonShow''). The Fellowship lose it before they find out what it does, and the people who find it by the side of the road don't know either.
* In ''[[FanFic/TheHearthSeries All's Fine that Ends Okay]]'', Kiku is sent a mysterious object which does absolutely nothing [[spoiler:but turn Hercules and Sadiq - and ''only'' them - invisible.]] After that arc is resolved, it doesn't really do anything else, and no one actually figures out what it is or how it works.
* As logical in ''FanFic/ThirtyHs'', there are machines that do literally nothing but hum softly and blink. [[RandomEventsPlot Like everything else, they are never again mentioned beyond that line.]]

* There is a scene in Tim Burton's ''Film/SleepyHollow'' where Ichabod is doing an autopsy; there is a tray full of strange, complex looking surgical tools next to him. What they're for and how they work is anybody's guess, but they do resemble some of the more esoteric medical devices from the era. Ichabod [[HandWave handwaves it]] by saying some of the tools are of his own design.
* Tia Dalma's hut in ''Film/PiratesOfTheCaribbeanDeadMansChest'' is stuffed full of voodoo-related Cow Tools. There's so many that two {{Chekhovs Gun}}s among them ([[spoiler:Barbossa]]'s boots and [[spoiler:Calypso's locket]]) are easily missed.
* Dr. Orin Scrivello's rather painful-looking dentist's tools in ''Film/LittleShopOfHorrors'' certainly qualify for this. They made a reappearance in ''Film/DeadRingers'' as gynecological equipment, before appearing in Tim Burton's ''Film/{{Batman}}'' as the plastic surgeon's equipment, too. And were {{lampshaded}} with his forlorn "You see what I have to work with..." That was an ActorAllusion, as Creator/JackNicholson appeared in the original ''Little Shop''.
* The painful-looking information retrieval implements in ''Film/{{Brazil}}'' are surely related.
* Tony Stark's machine shop in ''Film/IronMan'' exemplifies this trope. At some points it seems like there's more stuff in there than you could possibly logically need to build a super suit, regardless of how complex that might be. Things like a pillar drill are necessary for any well-funded chronic tinkerer. [[EasterEgg Among]] the various tools and equipment is [[ContinuityNod the prototype for Captain America's shield]]. Tony uses it to [[MundaneUtility prop something else up]].
* Famously {{lampshade|Hanging}}d in ''Film/TheAdventuresOfBuckarooBanzaiAcrossThe8thDimension'', where the labs are full of Cow Tools. "What's that watermelon doing there?" [in a hydraulic press of some sort]. "I'll explain later."
* The LiveActionAdaptation of ''InspectorGadget'' had Tinkertoys, a dead fish, garden hose and many other strange things alongside traditional operating tools. The 'autopsy' sequence showed that he was ''full'' of apparently useless and unrelated Cow Tools.
* Parodied in ''Film/AirplaneIITheSequel'', where two officers on a space station puzzle over what a particular Cow Tool is for.
* In ''Film/{{Ghostbusters 1984}}'', Venkman enters Dana's flat operating a strange device with a long tube and a rubber bulb that appears to pump air through the tube. When she asks what it does, he replies vaguely "It's... technical. One of our little toys." The commentary reveals that Creator/BillMurray was given a selection of Cow Tools to choose from, and thought that one was the funniest. [[MundaneMadeAwesome It's actually a device for detecting noxious gasses in the air, used by sewer workers.]]
* ''Film/MontyPythonsTheMeaningOfLife''. "This is the machine that goes 'Ping'. It tells us that your baby is ''still alive''." Somehow, it does so ''without being hooked up to the expectant mother''. Likewise from the same scene, The Most Expensive Machine in the Hospital, whose purpose is apparently...to be The Most Expensive Machine in the Hospital.
* The interior of the ''Seaview'' in ''Series/VoyageToTheBottomOfTheSea'' and its TV follow-up is full of random flashing lights, switches, screens, boxes, and wires that don't serve any apparent purpose. The lights are so prominent a character actually says "it's always Christmas on a submarine."
* The film ''Film/TheShapeOfThingsToCome'', fondly remembered by B-movie fans as "Blinky Blinky" due to the tons of weird machines with blinking lights in almost every scene.
* Unexplained bits of tech are sometimes thrown in as a joke in Q's laboratory in ''Film/JamesBond'' films.
* In ''Film/TheLordOfTheRings: The Return of the King'', Elrond is seen fiddling with a telescope... thing.
* ''Film/EventHorizon'' had a medic named CJ, who was carrying a vast array of not-very-useful tools on his vest. His actor initially wanted the character to wear the items to aid in character design, but quickly found them cumbersome and irritating. No medic or paramedic would want such a strange rig; there are much more elegant solutions to keeping your gear handy and much more important gear to have within immediate reach.
* In ''Film/{{Predator}}'', the Predator is injured by Mac during the MoreDakka scene, and uses a variety of alien Cow Tools to patch the wound. According to the director, these are based off of actual veterinary tools.
* Dr. Cal Meacham's lab in ''Film/ThisIslandEarth'' is full of random equipment.
--> '''[[Series/MysteryScienceTheater3000 Crow T. Robot]]''': Increase the ''Flash Gordon'' noise and put more science stuff around!
* ''Film/SpiderMan3''. What is that machine supposed to do? What was supposed to happen to the sand?
* Subverted in ''Film/GranTorino''. Walt's garage is filled with hundreds of tools, and Thao points to several of them at random and challenges Walt to name them. Walt knows what each one is called and what it's used for.
* Subverted in ''Film/TotalRecall1990''. Quaid takes an unfamiliar-looking handgun-like device from the suitcase he was given earlier. He looks at it, then puts it next to his pistol. A short time later, we find out that it's a device for removing tracking chips implanted in one's head.
* Parodied in ''TheMask'' when Doyle and another cop are frisking an under-arrest Stanley Ipkiss (in his Mask persona) while an increasingly exasperated [[TheComicallySerious Lieutenant Kellaway]] looks on. The cops name each item they pull from Ipkiss's [[{{Hammerspace}} (surprisingly deep)]] pockets - and then Doyle pulls from the left pocket the commonly seen squeeze toy for stressed people of a clown whose eyes, nose and ears bug out when it's squeezed. Doyle - who isn't the brightest bulb in the Edge City police department - looks at it blankly for two seconds and then says "I don't know."
* In ''Film/ThePhantomMenace'', several implements hanging on the wall of Anakin and his mother's home on Tatooine are actually NERF scoops spraypainted to resemble alien tools of some kind.

* In ''Literature/HarryPotter'', [[spoiler:Voldemort hid a horcrux in the Room of Requirement]], where for centuries students have been storing total junk. When he hid it, a bunch of other random stuff was there, and it's speculated whether Voldemort thought that was created by magic, or whatever, because he claimed that he was the first to find it. Admittedly all of the room's other forms ''really do'' stock themselves by magic, so it wasn't that much of a leap.
** All the ''insanely weird stuff'' in the Department of Mysteries.
** Dumbledore's office has a variety of inventions, which he can use whenever, but which are beyond the realm of the audience's understanding.
* Several ''Literature/{{Discworld}}'' books note that every proper wizard has [[ApothecaryAlligator a stuffed alligator hanging from the ceiling of his laboratory]], even if there aren't any alligators naturally in the area. No one, ''especially'' the wizards, is sure why.
** Also {{lampshaded}} a few times: Archchancellor Ridcully, in a pinch and pressed for time, manages to perform the ominous Rite of Ash-Kente to summon and bind [[GrimReaper Death]] with two candles, an egg and some string. Wizards like all the ornamentation, though; and besides, the more difficult and complex the ritual, the less likely that some random idiot who doesn't really know what he's doing will try it.
** The Department of [[strike: Necromancy]] [[InsistentTerminology Post-Mortem Communications]] is full of dribbly candles, cobwebs, skeletons and assorted Cow Tools, because if a spirit is going to make the effort of piercing the veil and returning to the living world, a wizard ought to make the effort to see that things look right.
** Also, ''nobody'' knows what most of the stuff hooked up to Hex actually does, including Ponder Stibbons and Adrian Turnipseed, who built the thing in the first place.
*** Although this is also because Hex has a habit of adding things all by itself!
** The addition of Anoia, goddess of things that get stuck in drawers, to the Literature/{{Discworld}} pantheon has provided excuses for many kitchenware Cow Tools to have their inexplicable and/or useless presence in everyone's cupboards lampshaded.
* The "offog" from Eric Frank Russells' science fiction short story [[http://web.archive.org/web/20080124051440/http://www.scifi.com/scifiction/classics/classics_archive/russell/russell1.html "Allamagoosa."]] Many purposes, as well as descriptions, are put forward for this essential item of a starship's inventory....unfortunately, all of them are wrong. The ship is being inspected by Admiral Beancounter, so the pressing concern for most of the story is not what it actually is, but that they have to have one.
* In Creator/SpiderRobinson's ''Lady Slings the Booze,'' the narrator, a PrivateDetective specifically LampShades the fact that in his profession, it is vitally important to be able to accurately observe and describe whatever he sees. He then enters the laboratory of the resident MadScientist, which he is only able to describe as "a rectangular solid filled with stuff", to his great chagrin.
* Subverted in the Niven and Pournelle work ''Literature/TheMoteInGodsEye'' when the Moties present the humans with a room filled with what appear to be Cow Tools but are not. The tool room is actually an "IQ" test of sorts. The humans are expected to determine the flaw in each tool which renders it useless. Naturally the person who figures this out is the ship's engineer.
* In ''Literature/TheVoyageOfTheDawnTreader'', we see some stuff like this in Coriakin's lair. The most prominent example is the Bearded Glass, which is... well... [[ExactlyWhatItSaysOnTheTin a mirror with a beard attached]]. When someone passes, their reflected face looks like that of a bearded weirdo jumping out of the shadows. It may serve some purpose, or Coriakin may have simply put it there to prank what few visitors he gets. Even Creator/CSLewis says he doesn't know what it's for.
* In ''Literature/TheBelgariad'', Belgarath's tower is full of odd gadgets that are implied to be instruments he's invented to help in his eclectic research over the course of seven millenia. For example, one of them was meant to help him discover why mountains exist, but he can't put into layman's terms exactly how it was supposed to do that. [[note]]And it was apparently inadequate to the task, because he admits he still doesn't know why mountains exist.[[/note]]

[[folder:Live Action TV]]
* Every MadScientist has to have a plasma lamp, evidently to show his technological prowess, regardless of the fact that every Spencer Gifts and Circuit City in the world sells them for about $25 each. Also, some piece of machinery topped with a "Jacob's ladder" spark gap, plus [[TechnicolorScience flasks of colored (optionally foaming) liquid]], as all mad scientists apparently dabble in chemistry by default.
** A standard gag on many "bad movie" review sites: "Beakers of strangely colored fluids? There must be SCIENCE going on here!"
* Many of the tubes, conduits, and access panels of the dressing the original ''Series/{{Star Trek|The Original Series}}'' sets were labeled with the cryptic acronym GNDN to remind the stage crew that this or that prop machinery was merely for show and that it "Goes Nowhere, Does Nothing".
** One great example that was used as a recurring plot device is the ''self sealing stem bolts'' in several episodes of ''[[Series/StarTrekDeepSpaceNine Deep Space Nine]]''. It is pretty much a case of lampshading, as Jake and Nog try to make some money out of a wrong delivery that was about to land in the garbage, but only [[ProBonoBarter end up with more useless junk]] until they finally get their hands on a shipment of self sealing stem bolts. As Jake points out, neither of them has any idea what they are used for. Later on in the series the self sealing stem bolts make a few reappearances. Every single time, there seems to be ''someone'' who knows what they're for, but not any of the characters on screen.
** For the ''Franchise/StarTrek'' mess hall, the set dressers went out to various shops and bought a bunch of unusual salt and pepper shakers. However, they were all considered too confusing for the viewer and normal looking ones were used. They got put to good use however, as they were put in the Sick Bay as futuristic medical devices.
*** Whenever a ''Franchise/StarTrek'' crew member removes a panel from a wall, they're always filled with futuristic circuitry and other such {{phlebotinum}}. At one point, they were overused so much in episodes that set decorator Jim Mees had to politely remind the writing staff that he had to build each and every panel interior, and that they cost about $1000 ''each''. They became known internally as "Mees panels".
*** This was [[LampshadeHanging lampshaded]] decades later in ''Series/StarTrekDeepSpaceNine'' episode "Trials and Tribble-ations" when the crew [[TimeTravelEpisode travelled back in time]] to the ''Series/{{Star Trek|The Original Series}} TOS'' [[CrossOver era.]] Miles O'Brien, the station's resident TechnoWizard, can't make heads or tails of the circuitry behind the Mees panel (keep in mind this is the same guy that can very adeptly TechnoBabble his way through solving just about anything). [[CrowningMomentOfFunny When he encounters a real ''Enterprise'' engineer and screws up his "repair work," Dr. Bashir has to bail him out by claiming O'Brien is suffering from work-related stress and ushering him off to sickbay.]]
** [[LampshadeHanging Lampshaded]] by a joke in ''[[Film/{{Airplane}} Airplane II]]'', where William Shatner's character is annoyed by a big fancy machine that doesn't actually ''do'' anything. For bonus points, it's the same blinking tube device from ''Star Trek II'', and it also appears in the ''Film/AlienNation'' movie and elsewhere. [[PropRecycling It's a popular prop]].
* Subverted with the Shelves of Honor on ''Series/TheColbertReport''. The shelves full of apparently random junk that line one wall of the set might be expected to be Cow Tools, but just about everything on there has some significance. See [[http://www.wikiality.com/Shelves_of_Honor Wikiality's detailed analysis.]]
* Sam's lab in ''Series/StargateSG1'' includes some things that are supposedly alien technology she's analyzing. Some of it has an obvious purpose, some of it is from previous episodes, but most of it is completely random.
** Turned around in one episode where an alien, who's lost his memory, is working on a TV show and one of his ''actual'' alien devices is being used as a Cow Tools prop in the show.
* ''Series/DoctorWho'':
** Discussed in the DVD commentary for the serial "The Caves of Androzani", when a man gets his head shoved in between two parts of a futuristic machine thing which immediately starts glowing. The serial's director notes that "we don't know what it does, but it's killing him".
** From the newer episode, "Blink": "Tracked you down with this. This is my [[TimeyWimeyBall timey-wimey]] detector. Goes ding when there's stuff. Also, it can boil an egg at 30 paces. Whether you want it to or not, actually, so I've learned to stay away from hens. It's not pretty when they blow."
** More generally, the TARDIS. It's always had way more buttons, knobs, levers, and random knickknacks than they ever actually use or have any kind of meaning for, but in recent years, the main console has gone so far as to include illogically placed bits and pieces of just about every kind of household objects imaginable, including for instance most of a typewriter with no ribbon or paper.
*** The AdventureGame series had the interesting but unenviable task of actually explaining what everything on the TARDIS console does. They should get a medal.
*** The Doctor has occasionally given some of the things on the console nicknames similar to the "Timey-Wimey Detector".
*** Since the 2012 Christmas special, the console room (particularly [[http://doctorwhoone.deviantart.com/art/DW-2012-Tardis-Console-with-correct-info-350087669 the console itself]]) has returned to a more minimalistic and more clearly arranged design, generally less random/convoluted/whimsical than [[http://i.imgur.com/3FOsy.jpg the previous one]]. It's also [[{{Homage}} a lot closer to]] the similarly austere designs of the console room from the classic era of the show.
** "Broken. Broken. Hair dryer..." One has to wonder what the others would have done if they'd been working (Cow Weapons?).
** Subverted in [[Recap/DoctorWhoS29E9TheFamilyOfBlood "The Family of Blood"]]. John Smith (the Doctor as an ordinary human) enters the Family's spaceship and clumsily struggles with some seemingly meaningless controls. The Family considers him a harmless buffoon. [[spoiler:The subversion is that this was actually the Doctor himself all along, and he was setting the ship to self-destruct]].
* In ''Series/BabylonFive'', maintenance extras regularly walk around pointing vaguely cleaner-like or metal-detector-like gadgets at the floor. In A View From The Gallery two of them even speculate on what they are for.
* Lampshaded, used strait and subverted in the laboratory where Galina Sergeivna works in the russian comedy "Series/PapasDaughters." Often they will be doing serious work, sometimes brewing tea or vodka. but most of the time it is just bubbling water colors.
* ''Series/{{Mythbusters}}'' has the real special effects studio M-5 as their base of operations, with all sorts of equipment that comes in handy for testing myths. The shop itself is constantly cluttered with devices, tools and a wall of cubby shelves with interesting labels that are more or less accurate ("Raw Meat" is one in particular that we hope is less). At one point trying to do a scale test, they needed an action figure and after a minute Jamie produced one from one of the cubbies. At other points devices from past and upcoming episodes can be seen in the background. Props from other films the studio has worked on are also around.
** The "Raw Meat" label is actually one of a few that the producers insisted be put around to make the space more. . . [[BuffySpeak cow tooly.]]
* In ''Series/TheRedGreenShow'', junk-store owner Dalton Humphrey finds an odd looking device in his garage, and has to resist the male urge to keep it until he figures out what it's for.
* Lots of the items stocked at Obscura, the weird antiques shop on ''Oddities'', consists of gadgets that probably qualified as Cow Tools even when they were brand-new, and certainly do now that they're long-obsolete.
* The WhoseLineIsItAnyway game "Props": the performers are handed a Cow Tool, and they invent several possible uses for it.
* In the episode [[Recap/SupernaturalS02E18HollywoodBabylon "Hollywood Babylon"]] of ''Series/{{Supernatural}}'', the Concept Art of the monster from ''Hell Hazers II: The Reckoning'' shows him holding a flaming fraternity paddle with chainsaw blades around it. They never explain the purpose of this implement.
* In the game show ''Liar's Club'', four celebrity panelists would be given an actual device or implement, and three of them would invent cow tool explanations for what they were used for. The contestants would have to try to spot the one celebrity who was telling the truth about it.

* "The Marvellous Toy" written by Tom Paxton and most famously performed by PeterPaulAndMary is about a Cow Tool toy:
--> It went "Zip!" when it moved\\
And "Pop!" when it stopped\\
And "Whirr!" when it stood still.\\
I never knew just what it was\\
And I guess I never will.
* The eponymous "thing" (represented by a "thump, thump-thump" sound in the lyrics) in bandleader Phil Harris's novelty song "The Thing" may qualify for this trope. The singer never describes the "thing"; the listener only knows that it's something nobody wants to look at, let alone deal with.
--> I picked it up and ran to town as happy as a king\\
I took it to a guy I knew who'd buy most anything\\
But this is what he hollered at me as I walked in his shop:\\
"Ohhhhh, get out of here with that [thump thump-thump]\\
Before I call a cop!"

* Creator/SternElectronics' ''Pinball/StarGazer'' is centered around a HotGypsyWoman astrologer... who is inexplicably equipped with a hula hoop.

* As mentioned above, in ''Radio/TheGoonShow'' episode "The International Christmas Pudding", Seagoon's collection of [[NoodleImplements vital equipment]] included a "long bent thing with a sort of lump on the end." The episode "Wings over Dagenham" also had a throwaway gag about "Long twisted things with holes in the end" being used as currency.

[[folder:Tabletop Games]]
* The 2E D&D supplement ''Arms & Equipment Guide'' included a description of tinker gnome "armor", a full suit of leather with so many assorted Cow Tools [[UtilityBelt affixed to its every surface]] that it functioned like studded leather armor.

[[folder:Video Games]]
* The alien bases in the ''{{VideoGame/XCOM}}'' games are stuffed with these. Seizing said bases (or sufficiently equipped alien craft) even nets you research angles revolving around the insidious uses of the devices, ([[AwesomeButImpractical useless as they may be to humans]]). Heck, some of them are even literal Cow Tools (either for use ''on'' cows, or made ''out of'' cows).
* ''VideoGame/HalfLife2'':
** Dr. Kleiner's lab has a working mini-teleporter among the other seemingly random devices.
** Watermelons also appear in the oddest places. A ''Film/TheAdventuresOfBuckarooBanzaiAcrossThe8thDimension'' homage?
* ''VideoGame/{{Fallout 3}}'''s ''Mothership Zeta''. The shelves of the interior corridors of the titular ship from Fallout 3's final expansion are adorned with all varieties of Cow Tools.
** The whole game really does this. There's tons of junk items lying around that serve no real purpose other than atmosphere. (Of course, if you're a good player, you'll quickly learn to pick out the VendorTrash among them.) Some of them can be put in your inventory like normal loot, and even the most valueless of those have SOME purpose, since there's a gun you can build that shoots random junk. Other clutter objects can only be moved around with the famous Bethesda-game "invisible hand", though, and cannot go into your inventory.
** Averted in ''VideoGame/{{Fallout4}}'': Anything you can't use right off the bat? Scrap it. Pre-war paper money can be laundered into linen fabrics, broken machines can be melted down for weapon mods, entire houses can be demolished and rebuilt as sturdier ghetto shacks, etc.
* In ''The Official Book Of Literature/KingsQuest'', the hints section for [[VideoGame/KingsQuestIQuestForTheCrown the first game]] notes that the rusted pump and axe outside the woodcutter's cottage were "put there by evil animators trying to drive you crazy figuring out what to do with them".
** In ''VideoGame/KingsQuestVAbsenceMakesTheHeartGoYonder'' there is a strange astronomical-looking device outside Crispin's house, which is one of the first things in the game that you're likely to see. It serves no purpose whatsoever, and your annoying sidekick warns you not to touch it.
** Toyed with in ''VideoGame/KingsQuestVIHeirTodayGoneTomorrow''. The Pawn Shop has dozens of bizarre items on the shelves that you can look at but not buy. If you look at them, the narration will identify things like "whale tongue climbing gear" and a "bridge repair kit". The joke is that these are all things which would have been immensely useful in earlier games but are completely useless in this one.
* The ''VideoGame/{{Myst}}'' series and its sequels has plenty of these. Most of the time you can puzzle out the various tools that Atrus and Gehn have lying around, but many of the other things are a mystery. On the other hand, sometimes a seemingly-innocuous doodad will prove to be a vital clue.
* ''VideoGame/TheHitchhikersGuideToTheGalaxy'' had the "[[ExactlyWhatItSaysOnTheTin Thing Your Aunt Gave You that You Don't Know What it Is]]." [[spoiler: It can be a GameBreaker if you figure out that it CAN do something.]]
** [[spoiler: It's more-or-less a BagOfHolding that Arthur Dent [[ClingyMacGuffin can't permanently lose (no matter how extreme or ludicrous a calamity he narrowly escapes without it)]] [[TheCatCameBack nor deliberately rid himself of.]]]]
* The ''VideoGame/{{Geneforge}}'' series is littered with VendorTrash generically described as "Shaper Equipment" and exotic looking props, some of which can be interacted with a "that's not important" HandWave. Presumably the characters know what they are; whether the player is ever informed draws the line between Cow Tools and MacGuffin.
* Sigil in ''VideoGame/PlanescapeTorment'' is jam-packed with odd-looking buildings, twisted sculptures, and bizarre devices that you have no idea what they're for. You can click on them to get a description. Many of them will then say "You have no idea what this is for."
** On the other hand, there is a shop filled with bizarrely-described items, almost all of which turn out to be crucial plot tokens. (Just not the baby oil [[MadeFromRealGirlScouts made from real babies.]])
* Lots of old platformers (but especially Mega Man) have many, many levels in labs and power-stations and so on; the walls are always covered in computer-buttons, giant gears, and in general, anything science-y looking, since how else would you know you were in the future?
* Many tech-y places in ''Franchise/{{Pokemon}}'' games will have machines and computers with various descriptions. Sometimes justified in the earlier games where the player characters look younger and might just not know. Rarely, an important gadget or message will be hidden in one.
---> It's a lot of words and numbers that don't make any sense...
---> Lights in different colors are flashing on and off.
---> I wonder what this machine is? Better not touch it!
* The magic shops in the ''VideoGame/QuestForGlory'' games play with this constantly. For instance: In ''VideoGame/QuestForGloryII: Trial by Fire'', Keapon Laffin's shop holds a scale model of the USS Enterprise, a rotary fan, xray specs (useful for one scene and only one scene).
* ''Franchise/SilentHill'' does this to memorable extremes. Often the Cow Tools are nondescript everyday items, but it's ''where they are'' that makes them this. Why is there a wheelchair in an alleyway? Why is there only a single desk perfectly centered in an otherwise [[EmptyRoomPsych completely empty room]]? It's only there so the [[ParanoiaFuel wheel can spin on its own]] the next time you pass it or to [[RuleOfScary giggle in a child's voice as you approach it]].
** [[spoiler:This actually becomes an InUniverse example of Cow Tools since the town itself is implied to be sapient and out to make you suffer. That's right, ''Silent Hill itself is planting props to scare the hell out of those trapped inside it, and [[NightmareFuel it's doing one hell of a good job]]''.]]
* The ''VideoGame/{{Glider}} PRO CD'' "[=SpacePods=]" even has one room titled "Function Unknown." Most of the supposedly alien furniture is really ordinary furniture objects that have been bizarrely arranged or graphically glitched.

* ''Webcomic/GirlGenius'', set in a world ruled by {{Mad Scien|tist}}ce, is, of course, full of these. Notable examples in [[http://www.girlgeniusonline.com/comic.php?date=20040204 Gil's Lab]] and the handy [[http://www.girlgeniusonline.com/comic.php?date=20050307 circus repair kit]].
* ''Webcomic/SchlockMercenary'' famously has 'fiddly bits,' small balls on rods sticking out of things, on almost every piece of tech. Sometimes their function is obvious (sights on guns) or can be assumed (wifi access on computer pads?), but many are complete mysteries. They can appear on everything from hand-held devices and pieces of clothing, to entire starships with gigantic fiddly bits. They remain one of the author's favorite inventions.
* In ''Webcomic/{{Oglaf}}'', the Mistress' torture implements [[http://www.oglaf.com/capital here]] and [[http://www.oglaf.com/capital/2 here.]] (Warning: NSFW)
* ''Webcomic/SandraAndWoo'''s strip [[http://www.sandraandwoo.com/2009/01/08/0023-coon-tools/ Coon Tools]] is a raccoon-related variant of the original cartoon.
* Lord only knows what half the stuff in [[http://commedia2x00.wordpress.com Dottore's lab]] do; he's got a jukebox that plays Wagner to help him think, but that's about it. The storage-boxes in the background when Columbina goes to the storage basement are full out shout-outs to famous technobabble, including turbo-encabulators, blinkenlights, and vgrep scanners.
* In ''Webcomic/CommanderKitty'', [[http://www.commanderkitty.com/2011/05/08/close-shave/ quite a few of the tools that the Alpha Droids have assembled to remove CK's brain seem to fall into this category.]]
* In ''Webcomic/TheMansionOfE'', the eponymous structure has numerous examples of these scattered about.
* At one point in ''Webcomic/{{Narbonic}}'' Dr. Madblood shows Dave his workbench of test-tubes full of colored liquids. He takes offense when Dave points out that, as a roboticist, he has absolutely no use for any sort of colored liquids.
-->'''Madblood:''' "I find this line of questioning obscene! What sort of mad scientist neglects his flasks of colored liquids?"

[[folder:Western Animation]]
* ''WesternAnimation/DannyPhantom'' where a couple of Jack Fenton's invented ghost weaponry are so oddly shaped or out of place that one wonders what the blinding hell they do exactly. His wife pointed out a similar reason in one episode.
* ''WesternAnimation/DextersLaboratory'' is the king of this trope, featuring an enormous variety of technological inventions in Dexter's lab that are never explained and their use is never revealed. Many times, Dexter will be seen working on a particular gizmo (almost always by simply tweaking it with a wrench) that very, very rarely has any importance in the plot.
** Lampshaded by one commercial for the show, that showed a loop of Dexter using his wrench on said gizmo for several seconds before the narrator says "Y'know, eventually, he's got to overtighten that thing."
* Another good example is Merlin's cottage in Disney's ''Disney/TheSwordInTheStone''. It's full of little gizmos and gadgets Merlin is said to have acquired from the future. Some, like a globe, a model of the solar system, and vehicles like trains and biplanes, can be recognized. The rest are simply eye candy.
** Or maybe they are from so far in the future our present hasn't caught up to them yet and we won't know what they do until it does.
* Basil of Baker Street has a lot of these lying around his flat in ''Disney/TheGreatMouseDetective''. Most have a fairly easily discernible purpose, though - for example devices for producing cigarette ash and footprints for analysis.
** The cigarette-smoking machine showed up again in [[Film/SherlockHolmes Guy Ritchie's Holmes films]], which love [[ShownTheirWork making little references]] to previous versions.
* In ''WesternAnimation/BatmanBeyondReturnOfTheJoker'', during the flashback to the Joker's death, there's a shot of some innocent junk lying around (a toilet plunger, for example). WordOfGod says originally Joker's tray was originally going to have bloody surgical instruments but [[ExecutiveMeddling the execs]] put their foot down. Ironically, since it's made quite clear they were still used to torture Robin, the use of cow tools made the [[FridgeHorror implications of even worse]].
* In ''[[WesternAnimation/{{Thundercats 2011}} [=ThunderCats (2011)=]]]'' Lion-O introduces new friend Cheetara to the shop of Jorma, his FriendInTheBlackMarket. His shop is stuffed with oddball wares, including a ChekhovsGun BlackBox, and an arm from a race of CuteMachines introduced later.
-->'''Cheetara:''' What ''is'' all this?
-->'''Lion-O:''' It's what's out there, beyond Thundera's walls...what the [[GreatBigBookOfEverything Book of Omens]] calls "''[[LostTechnology technology]].''"
* ''TheSimpsons''
** In "Homer vs. Patty and Selma" Homer has a dream where he's rich and successful after inventing some kind of device. Both Homer and the viewers are left equally clueless as to what the device is or what it does.
* ''WesternAnimation/AdventureTime'': In Castle Lemongrab, Finn and Jake find a hallway connecting several small, identical rooms, each one holding nothing but a pedestal with a catcher's mitt on top. Storyboard artist Thomas Herpich said in his blog that these rooms were simply meant to be "weird and mysterious", but later was explained to be Lemongrab's disturbingly inept attempt at trying to understand normal society.
* ''WesternAnimation/TheVentureBros'' pokes fun at the idea when Billy has to face... ''[[https://www.youtube.com/watch?v=H8yQhXDquII The Nozzle]]'', during his recruitment to OSI. It comes out, calibrates, and then just goes without so much as even touching him.
--> '''Billy:''' What ''was'' that thing?
--> '''Hunter:''' I have no idea. Standard... um... so how do you like your new body buddies?
* ''WesternAnimation/RickAndMorty'' features plenty of these, but has a running gag about one in particular. ''[[https://www.youtube.com/watch?v=eMJk4y9NGvE The Plumbus: every home has one.]]''


[[folder:Real Life]]
* Those annoying Netgear router blue flashing lights. [[http://www.youtube.com/watch?v=x706yCCTyO0 You know what they are]].
* Half the buttons on your remote.
* Any place where tools, spare parts or electronic equipment is stored will have a few of these. Slightly downplayed in that all of it clearly ''had'' a vital function at some point, but it hasn't been needed in quite some time and chances are nobody can quite recall what it was originally used for.
* Any factory floor, automotive garage, or maintenance shop is this to the uninformed/untrained visitor.
* Subverted: [[http://gameoflifeproject.files.wordpress.com/2012/05/eurorack-modular-system-1.jpg Modular Synthesizers]] almost always look like old pretend sci-fi tech, but in fact every knob, button and blinking light serves a purpose.
* The vast array of tools found in a dentist's office.
* Unfortunately, the {{Steampunk}} subculture's costuming element is almost completely dominated by this trope; a fact which [[http://www.youtube.com/watch?v=TFCuE5rHbPA this song]] laments. It is a particularly egregious tragedy in Steampunk's case, because of the fact that, where the Victorians were concerned, the entire reason why things ''looked'' good, was because said things were a product of genuinely superior and more careful craftmanship. The Steampunk scenesters have essentially turned that ethic entirely on its head, with predictably distressing results.
* Any chemist whose lab has ever been on television will tell you of atmosphere shots of a serious lab-coated chemist pipetting coloured water from a conical flask.
* ''The drawer''. Every house has some variant of this, where every little random part, tool, and device that can't be identified is tossed because "it might be from something important"/"it might ''be'' something important"/"it might be an important part of something else". Go ahead, just ''try'' and determine what even a fraction of the things in there even are, let alone what they are used for.