I sit in on the class and can't look away. Three hot beauties want to become professionals at wrestling and feet domination, and there's only one expert they trust: Karina Cruel, dark hair tied back, white top and black leggings. She has been looking forward to this lesson all week. On the white bed she shows them every move: holds, scissors, a hand guiding a head, bare feet on faces. Then she tests them on each other, and on herself. It's playful, intense, sometimes almost too much, and her trainees can't get enough. Learn from the best.

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