Male is handcuffed and having a weight attached to his balls: whipped by girl in the sound-proof chamber
Black slave is cuffed to the bench and whipped by girls while his cock is clamped so he can't move at all
Hot blond is busy doing crazy things to exposed balls and penis: using rope to create extreme tight bondage restraints
Test subject is feeling pain when cruel brunette is sing steel tous and electricity on his exposed penis
Cruel blonde is pushing steel needle into slave's penis not paying attention to the loud screams he is making