Male is handcuffed and having a weight attached to his balls: whipped by girl in the sound-proof chamber
Girl is into pain and electricity: finding out how many volts male slave can handle in his wired penis without passing out
Topless redhead set up a sophisticated rope rig to pull slave's balls and put his in extreme CBT pain
A couple of elegant ladies are having slave's balls tied up tightly and destroying them by pulling ropes in different directions