Dude is having a fight with the bikini girl: loses the battle and she is about to bite off his balls with her teeth
Femdom mistress is making petboy suffer by forcing him to crawl while his balls are clamped and then by subjecting him to whipping handcuffed
A set of steel clamps are there to put cock and balls in pain while cruel women is beating them up with wooden paddle
Girl is into pain and electricity: finding out how many volts male slave can handle in his wired penis without passing out