User blog comment:BobTheDoctor27/October 2013 Update/@comment-7630469-20131106144327/@comment-958607-20131106144605

Well, it's handheld. :P You squeeze the two sets of Nuva Shoulders together and an axle catches the facepiece, forcing it apart from the brain. :P There's a Brickshelf gallery from the original designer just below the comic.