Domme Lou, a seasoned mistress, takes her fisting craft to the extreme with her submissive slave. She warms up her gloved hand, lubing it thoroughly before plunging it deep into her slave's eager ass. Lou's powerful punches with her fist send waves of pleasure and pain through her slave, who squirms and moans in ecstasy. She works her hand deeper, stretching her slave's hole to its limits, all the while maintaining a firm, dominant grip.