The man’s feet are flat on the bed, the woman rides on the man’s feet, the feet stretch forward, the body leans back slightly, the hands support the man’s feet for balance, the woman’s body moves up and down forward and backward, so that the penis can stimulate the vagina.
Advantages of this method: the woman can take automatic action, and move as she likes, so as to increase the climax. The man can see the woman.
Disadvantages of this method: if women don’t know how to use force or move too much, it’s easy to hurt the male’s grandchildren