Naked guy is wearing cock cage and his balls are bitten with clothespins during the fem dom education lesson
Male is handcuffed and having a weight attached to his balls: whipped by girl in the sound-proof chamber
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
Clever chastity device is hitting cock with electric discharges while topless girl is sitting on top and using vibrator
Naked male is strapped along the table: can only watch the redhead hitting his ball with her hands and feet