Mistress is using balls destruction as a way to stop that man from jerking off: spread-eagle bondage, balls beating and trampling are doing the job fine
Clamping electric wires to the exposed penis is painful itself but the main event is going to begin when high current is going to be switched on
Bitch in fishnets is having masked male exposed on BDSM cross: tormenting his manhood with small harness and a whip