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The weapons wielded by Stix, Satchel, and Lexxi in the "Party Like Tomorrow Is The End of the World" video all cleverly harken back to their instruments: Stix the drummer has a semi-auto, Satchel the guitarist has a fast submachine gun, and Lexxi the bassist wields the slowest but the loudest, a shotgun.
The entire video for "Party Like Tomorrow Is The End Of The World" is a CMOA. Basically, Satan decides to bring about the apocalypse, and Steel Panther decides to throw the biggest, wildest party they can. The party is so epic that it causes Satan to change his mind about ending the world.