Sinstress holds the back of Her slave's head while She puts Her strap on cock as far back as She can in his mouth. She makes him hold it in the back of his throat. He begs to have his chastity cage removed while being choked by Her dick. Sinstress unlocks him from chastity because She has use for his cock. She instructs him to get his cock hard. He strokes it while She his nipples. She smacks him in the balls because his miserable and useless cock won't get hard. Sinstress is pissed. She gives him time off camera, comes back and he is still not hard. Obviously, more ball slapping is needed. Si... Show more