These days, dental grills and slugs are making a fashion comeback. Combine that with the popularity of MP3 players, and you could actually have something on your hands. Or, maybe in your mouth. Pause. Created by Aisen Chacin, "Play-A-Grill" is a fully functional MP3 playing, dental grill. Controlled with the tongue and transmitted via bone conduction, hit the thumbs for a closer look at this bizarre device. [IncredibleThings]