Dean's body jerked once when the vibrations kicked in. He moaned and twisted in place, hands pulling at the cuffs, his hips rolling helplessly against empty air. Each moment shifted the toy inside him, pushing it harder against all the best spots inside, making him even crazier.

Yeah, it was a scene right out of a porno, but that was kind of the whole point. Giving Sam a show. And his brother seemed to appreciate it, which gave Dean the go-ahead to relax into it and let his body take over, writhing and moaning, calling Sam's name softly as he got more and more desperate.