Then she gave my hot button one final push, and my whole body convulsed, like a man on the electric chair. My hips jumped up, jamming my cock deep int... my sister's mouth, probably into the back of her throat, and hot gobs of cum spurted out of me. The cum probably would have shot ten feet, or more, if my sister's mouth hadn't been there to stop it."Aiiiiiiieeeeee!" I screamed. Then I collapsed back onto the grass, my cock falling free of my sister's mouth. A rippling aftershock sent another. Neither had had experience of quarrying or indeed the subsequent stone-crushing. Gareth was an enthusiast which made their visit all the more interesting. Sally had covered geology in outline at university and Gareth thoroughly enjoyed giving her more detail.Things went quiet even though Nick continued his visits to drum up custom. Both supermarkets expressed interest. The county council also did about the bypass and the dualling projects. So did the industrial estates with the maintenance. "JOYCE!"The bedroom door opened slowly, and his daughter Carol was there. Just turned sixteen, she took after her mother, slim, blonde, with perky boobs already showing signs of being good-sized ones very soon."Carol," Bill gasped, "thank you, darling, come and unfasten these cuffs please?".She giggled, so cute."Daddy, what are you doing?" she asked, "did Mommy tie you and leave you like this?" More giggling."Your mother had to go out urgently," he told her, "now come over here and release. I glanced back and he was glancing back at me also. I could feel my cock beginning to swell as my heart raced even more, I could hear the blood in my ears. I turned around and he was already at the gap in the fence, he looked at me and made eye contact and went through into the bushes. I followed about 20 meters behind following the well worn track. As I weaved a little around a thicket there was like a private clearing in the bushes secluded from view with guy standing there rubbing his.