A femdom expert, she teaches her new slave the art of ballbusting. She demonstrates on him first, kicking his testicles with varying force, each strike accompanied by his cries and her delighted laughter. She then has him practice on her, guiding his foot to her crotch, teaching him to sense her pleasure in his pain. She humiliates him, making him kick her balls harder and faster, until they're both panting and drenched in sweat. She rewards him with a cruel smile, "You're learning, pet. But you've only scratched the surface of your training."