Board Thread:Questions and Answers/@comment-31558062-20180316193543/@comment-30397699-20181129211605

RyanTheScourgeOfTheStorm25 wrote: w h y Piston Physiology - The users body has an auxiliary muscle system. Unlike the average human body, the users auxiliary muscles propel and contract his/her bones, dislocating the bones in the used limb to extend farther; meaning not only to reach farther, but to punch and kick harder, run faster, and launch higher.

Why? Thats because the user by dislocating their bones could have many sex position which are impossible. They can also piston faster and have air sex by launching them and their lover in air