#392425 - It was during her time in heavy equipment school that Katie made a startling if not pleasant discovery, the constant vibration that hummed from the motor all the way up to the cab could induce orgasms in her vagina if she held her cunt in the right position of the seat! The first time it happened, she barely was able to keep control of her tractor! As she became more familiar with the equipment, it was easy for her to have as many as three or four climaxes a day by shifting her vagina so her clit could get the maximum effect of the vibrating motor!!! Katie always was highly s?exed, and her mother wondered if that had anything to do with her wanting to do such a masculine job!!! Well Katie was definitely all woman, with a very voluptuous body that even under her work clothes was hard to hide. They slowly got dressed, occasionally stopping to touch the other's body with a quick caress. She had to admit that she was secretly proud, because she herself was an early masturbater, a