Mark begins to suck on them, while working on getting her pants undone.The 2 black guys that came in earlier, come over to me and Tim. One of them ta...es his hand and starts rubbing my ass, the other has found his way under my pussy and begins to lick me furiously. I'm getting all worked up like I'm ready to cum again and this is getting Tim ready to fuck.Mark is making out with Beth, she is spreading her legs far apart so he can finger her clit. Matt comes over to her and sticks his soft dick. "He was lying on his back, and his sister was sitting on him, fucking him. Her perky tits bounced alluringly as she moved, and she'd discovered a graceful sliding motion that moved her on and off his cock. She'd started with a bounce, but bouncing not only looked awkward, it must have felt awkward to her, too, because she soon switched to the slide. Her back arched when she moved off him and straightened when she slid down around him."I like being on top, David," she said and her eyes rolled. ” His fingers that had stopped while he stared at my tits, miraculously started their work again.I decided to up the ante, and as my ministrations on his erection were somewhat ineffectual through his office trousers, I unzipped him but he was too big to release without undoing his trousers completely. He half stood up to allow me to undo the buckle, and I noticed his smile as he licked my juices from his fingers. He was really getting into this, and so was I.“I have other skills too that you. He used one of the launching sticks that Julie had made and tried an experimental throw. The result was a dismal flop. The spear wobbled in the air and started to tumble. It didn't even land on its point. Obviously, something had to be done to stabilize the spear's flight. Fletching was the answer, but it would be millions of years before feathers were available, and they couldn't wait.Julie was the one who came up with the solution. She took the pocket knife and worked on the back end of the.