In Part 1 Mistress Vixen makes her slave humiliate himself and prepare himself for her big strap-on by using a douche to cleanse himself. Once done he is made to worship her thigh boots before being made to suck and lubricate the enormous strap-on that is about to go where the sun doesn't shine. He has to hold its girth in his mouth as Mistress Vixen attaches the harness with which to fuck him