I can't help but think about 'The Addams Family' character Thing when I look at the PossessedHand device. This revolutionary device moves the wearer's fingers to help him complete tasks that he would normally not know how to do on his own -- for instance, playing a violin.
Developed by scientists at Tokyo University in collaboration with Sony, the PossessedHand device consists of a pair of arm bands that deliver mild electrical stimuli directly to the muscles that control the wearer's fingers. No brain input whatsoever is needed to move them.
Though it started as a learning tool for learning to play musical instruments, the PossessedHand device could be used to help stroke victims regain control of their stroke-affected limbs.