Nude man is handcuffed to the post and cannot protect himself when bitchy cougar is using riding crop to interrogate him
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
Exposed penis got loads of steel clamps attached and there is crazy dominatrix biting the balls sack
Test subject is feeling pain when cruel brunette is sing steel tous and electricity on his exposed penis