Male is handcuffed and having a weight attached to his balls: whipped by girl in the sound-proof chamber
Naked male is strapped along the table: can only watch the redhead hitting his ball with her hands and feet
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
Slim dominatrix is playing with slave's balls: putting them in extreme rope bondage and attaching massive weights