Mistress is having her lover strapped to bed posts and tormenting his balls with clothespins and steel device
BDSM cross crucifixion is just a beginning of his problems because the main event is cruel balls whipping
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
Test subject is feeling pain when cruel brunette is sing steel tous and electricity on his exposed penis