A little bit of cock trampling with my running shoes on! I grind his cock away and watch it get smashed into the tread of my joggers! I swear you can see the lovely tread marks across the head of his dick ......LOL, I worked it up a bit then decided to take my shoes off and mash it around with my sweaty bare feet, grinding that worthless shaft until he came and dumped his useless seed at my pretty feet!