Mistress is using balls destruction as a way to stop that man from jerking off: spread-eagle bondage, balls beating and trampling are doing the job fine
BDSM cross crucifixion is just a beginning of his problems because the main event is cruel balls whipping
Naked sub is on top of the table and having sexy dominatrix sitting on his face and whipping his sensual balls
Test subject is feeling pain when cruel brunette is sing steel tous and electricity on his exposed penis