"Grip Strength Training"
Billy and Mandy where working out together. As he was doing his abs on the leg lift station, he couldn't help but get turned on as he watched Mandy's hot ass moving on the step machine. She turned around and saw his boner sticking out as he was working his abs. That's when she decided to work on her forearm muscles by gripping his dick and jerking it till he exploded on her sweet tits!
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