“Recotana” (aka Osamu Funada)is an individual with a penchant for building body-to-MIDI interfaces. In this case, we’ve got the “Electric Click,” which stimulates the “listener” (there’s no sound) in sync with the beat of the music being played…
There are more pictures and video in the Flickr set for the device. Be sure to check out another such creation: the heartbeat MIDI controller.
Via Make