A black man and a white woman, in a relationship, admit to dominating/submission fantasies

Interracial lovers have their wild sensual pleasures and, as a man, he gets to dominate her with some BDSM furniture. He is a very thin black man with a large erected phallus, she is a white woman of attractive appearance who loves sex. The only thing witnessed when they are in the bedroom is the fire found in them continually satisfying each other.