Mature male is restrained with lesther belts and his balls is being pulled with a specially designed harness
Test subject is feeling pain when cruel brunette is sing steel tous and electricity on his exposed penis
Dominatrix is wearing rubber gloves and dealing with slave's ball sack by using a set of medical clamps
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
Male is handcuffed and having a weight attached to his balls: whipped by girl in the sound-proof chamber
Latex-dressed dominatrix has put cock in a steel tube and beating up balls with her fists while male slave is in bondage