Mistress Stella was shocked when her sub had the audacity to wear boxer briefs to a session with her when he knows very well that she prefers thongs so she can see his ass cheeks growing red under her beatings. She binds him in rope and makes him lean against the wall with a wedgie pulling his shorts up his ass while she spanks him with a leather strap and leather slapper, enjoying his whimpers of pain and regret.