Two MILF dommes on one man: the first lady is whipping his balls while another is hitting penis with high voltage sparks
Slim dominatrix is playing with slave's balls: putting them in extreme rope bondage and attaching massive weights
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