A dominatrix delights in her power, humiliating men one by one, her focus tonight on their vulnerable testicles. She strokes, squeezes, and spanks cocks, but her pièce de résistance is a brutal, precise slap to each man's balls. They groan, writhe, yet remain entranced by her authority. The mistress, however, finds her true pleasure in the wet, hungry pussies of her willing subjects.