This may be an odd topic, but I'm curious about something. I recently acquired DVD Prime. Regardless of the ney-sayers, it's an amazing toy. At any rate, I've watched many a video review and read many pictorial reviews of MP-01/MP-04/20th/DVD Prime and most are quite thorough. One thing I'm yet to see is documentation of his "faceplate feature." Why does no one mention the push button on the back of his head which makes him chew the cud? Sure, it's not a "useful" feature, but I thought it quite novel.