The two ends of the steel pipe are hung on a rack with iron chains.The trainer made her ride on the steel pipe.When she was wearing high heels, the height of the steel pipe was right at her genitals.The trainer started tickling her armpits and legs, and she couldn't help but struggle and laugh.Then he took off her high heels, and her whole body weight was pressed against the pussy on the steel pipe.She was in great pain and could only stand on tiptoe.