I figured maybe a different angle might make it feel better. I lifted my feet up and propped my heels on the edge of the bench, rolling my pelvis to c...ange the angles down there. Technically it might have been against the rules of the experiment but, to be totally honest, I had lost interest in the experiment.Apparently I was wrong. The change in position didn’t make the feelings better. They were different, but not better. On the plus side, his banging was now bruising a slightly different. She was with her k**s and she looked us with not a very happy expression on her face. I never understand this kind of persons, you are in a nude beach and you look like you disapprove other people to be naked there. If you don´t want your k**s to see other people naked you shouldn´t take them to this kind of beach. This wasn´t the last time something like this happened this day.We took all our stuff and we walked all along the beach to the other side where we put our towel and started to walk. It certainly appearedhe was. He kept blinking his eyes, biting his lips, glancing downwatching her boobs swaying back and forth over him. She watched as hegrabbed one tit, leaned forward and sucked on the nipple. She jerkedand felt his cock poke her between her legs. She thought if she hadn'tstill had the panty on he would likely be inside her now. She brieflyentertained the idea of taking them off but then moved back to ridingup and down keeping it trapped between her soaked panties and his. What was even more provocative was the fact that the beautiful black super high heeled shoes showed her lovely legs to perfection . I could see this clearly even from where I was standing.Margaret the doctor was standing in her tight green skirt black nylons smiling, she said get those white shorts off mount the horse you naughty boy. Be Ready for anther really good fucking..I did as I was told settling into the familial position. Margaret tied my ankles but not my wrists so I was a lot more.