A submissive is ordered by her stern mistress to mount a colossal strap-on, the largest she's ever seen. With determination, she slowly lowers herself onto the massive, fake cock, feeling every inch stretch her tight, puckered hole. The mistress watches, critical, as the submissive grinds and moans, trying her best to please. But it's not enough, and the mistress, unsatisfied, demands more.