Male is handcuffed and having a weight attached to his balls: whipped by girl in the sound-proof chamber
Goth girl is subjected weak penis to crucifixion torture and making it even more painful with a steel rod
Girl is into pain and electricity: finding out how many volts male slave can handle in his wired penis without passing out
Girl is performing inhuman BDSM tests to find out how tight balls bondage should be for man to start crying