The unfortunate slave was caught wanking after he had been explicitly told not to without permission. His cock and balls are not his to play with! A harsh punishment was therefore due and with his cock and balls clamped securely on the stand, the extreme CBT began! His balls were crushed in their gloved hands and heavy whips, including a vicious bull whip wielded expertly and accurately by Mistress Johanna prove to give him a long lasting reminder of the penalty for such disgusting and disobedient behavior!