Male is handcuffed and having a weight attached to his balls: whipped by girl in the sound-proof chamber
Test subject is feeling pain when cruel brunette is sing steel tous and electricity on his exposed penis
It is impossible for the frog-tied slave to runaway from the whipping mistress punishing him violently
Creative bitch Nyxon is using self-made device to clamp and twist penis and then hot balls sack with high voltage electricity