In 1972, some guy named George Barry got a camera and some film.
What happened was Death Bed: The Bed That Eats
An incredibly cheesy and bizarre mix of horror, sexploitation, and arthouse, Death Bed was shot in 1972 but a print wasn't struck until 1977. It then disappeared. before being rediscovered in 2003 and released on DVD, it gained a cult following when bootlegs made from a rare UK VHS/Betamax copy of the film began circulating. Director George Barry reportedly forgot about the film before he was reminded when a DVD release was in high demand.
Death Bed: The Bed That Eats contains examples of: