Disabled gamer shows off unusual play style for charity[ Fri, 21 Sep 2012 22:18:23 GMT ]"I don't want to see more of my friends pass away," Keith Knight tells me. And this, he explains, is why you can find him on Twitch.tv showing the world how he plays computer games -- belly down on a bed, keyboard at his chin, pen in mouth, mouse propped against his cheek.