Deviant Artist Midnight Angel put together an arm blade stylized after the ones used in the Assassin's Creed video game series. Using a drawer opening mechanism, a spring for a screen door, and a throwing knife, the weapon works surprisingly smoothly. The full instructions are on Angel's page, and you can see it in action below.
[youtube=http://youtu.be/zKakpY2oZqI]
I've seen photos of this thing floating around for a while, but never did it occur to me that it's in fact a real product. Available from Hammacher Schlemmer, this Wenger tool holds the Guinness Word Record for being the most multi-functional penknife. Kudos to you if you can name all of its fucntions. If not, here's a real Swiss guy going over how ridiculous this thing really is.
[youtube=http://www.youtube.com/watch?v=LnmfzhKYcHE&feature=related]
I'm pissed they took the laser out.
Joseph Hersher is a Rube Goldberg specialist from Brooklyn. His newest invention gives no heed to broken glass, laptop integrity or the comfort of Hamsters. One of the best complex devices I've seen.
