She makes me run in place with a butt plug up my ass. Cock and balls restrained, unable to erect even though she is bare assed in front of me. Her bottom is such a tease but she is not allowing me to inflate my cock. Instead, she rigs my penis harness in the upright position to mock me and swats at my balls while I run. This form of exercise is grueling. I grit my teeth, howl and chop into the bit she locked in my mouth every time she smacks my testicles. She really has me running now. Finally, I'm released from the genital control rig so she can expand my penis to full length. Except she ... Show more