This girl is really difficult to deal with. She has a hard mouth, refuses to obey, talks a lot, and so on. But she can bring surprises every time. It's too worrying, so I'm going to cure her hard mouth first. This frame is designed for her, with her hands and elbows fixed behind her, and a fixed neck, so as to prevent her from staggering to find other balance points. Her thighs are cuffed, so she can only move her calves and feet. The weight of her whole body can only be pressed up and down on the protruding steel bar. With ice, if she wants to avoid suffering on her feet, she has to ride o... Show more