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
Girl is performing inhuman BDSM tests to find out how tight balls bondage should be for man to start crying
Dominatrix is wearing rubber gloves and dealing with slave's ball sack by using a set of medical clamps
Bitch in fishnets is having masked male exposed on BDSM cross: tormenting his manhood with small harness and a whip