I know how desperate you are for a big black cock," the mistress taunts, her voice a symphony of sadistic pleasure. She hands her submissive a harness, commanding, "Put it on, slut. Make yourself ready for my black toy." The submissive, eager and trembling, obeys, strapping the harness on, the silicone cock standing proud. The mistress watches, smirking, as the submissive tentatively touches herself, spreading her wetness along the toy's length. "Good girl," the mistress purrs, "Now, show me how you'd take that big black cock.