User blog comment:Isabella and Lego Liker/HAUNTED!!!!!!!!!!!!!!!!!!!!!!!!!/@comment-3344993-20110122024113/@comment-3006892-20110129010113

@Light: I believe there's two explanations behind that. Either A: He meant to give him a clap on the back but missed (He had his eyes closed after all) or B: It only looks like he clapped him there because his pants are so high up on his body.