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
Woman spread-eagled nude male on top of the bed and tormenting his body and cock with the small spike-wheel
Girl is enjoying the pain male slave suffering when his cock is bound, tortured with lead weights and pierced with sharpened stick