Girl is performing inhuman BDSM tests to find out how tight balls bondage should be for man to start crying
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
Dominatrix is wearing rubber gloves and dealing with slave's ball sack by using a set of medical clamps
Male is handcuffed and having a weight attached to his balls: whipped by girl in the sound-proof chamber