Test subject is feeling pain when cruel brunette is sing steel tous and electricity on his exposed penis
Dominatrix is wearing rubber gloves and dealing with slave's ball sack by using a set of medical clamps
Goth girl is subjected weak penis to crucifixion torture and making it even more painful with a steel rod
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