Prostate Massage on LetMeJizz
Usually a woman takes the lead here, working a man from behind with slick fingers or a toy while he stays on his back or his knees. The performers skew toward confident dommes comfortable running the show, since the act flips the usual roles on their head. Bodies vary, but the camera stays fixed on the guy's reaction as the internal pressure builds toward a hands-free finish.
112 prostate massage videos here, all HD and all free. New ones go up daily, so check back if you don't find your scene first time around.