We had been married for over fifteen years and Kerry and I had been visiting swinging clubs for the last five or so years. We had swapped with couples in the same room and also in different rooms. We had also swapped with singles, but always made sure that we were both taken care of and enjoying it. Then this night everything changed.Kerry was quite taken with a single man that was there and I was left twiddling my thumbs as she went off with him to the play room. It wasn't long before I could hear the moans and groans that I knew to be Kerry's as she gets close and coming. It was now a younger woman approached me and asked did I want to play. She was very attractive and no red blooded male would have turned her down. We went to a bedroom the other side of the play room. I was soon between the young ladies legs sucking and licking her pussy. I soon discovered I was not the first to be with her tonight as I got the taste of another mans cum in my mouth. It was a first for me. I didn't want to make a fuss as it might prevent me from fucking this young beauty. It wasn't too long before she pulled me up between her legs and she steered my cock into her pussy. I was trying to play it cool and give her slow deliberate thrusts, but she seemed to want me to fuck her faster and harder. As I sped up, I could hear load groans and knew all too well that Kerry was again about to come. I was still banging away as Kerry started to moan again. It was clear that she was having a good shagging from someone. A short while later both my beauty and I came and after a short break I was ready to move on. Then I heard Kerry again as she was clearly building up to yet another orgasm. I decided that I needed to see what man could fuck my wife to several orgasms and last so long. I entered the games room and was immediately stopped by the sight that hit me. Kerry was strapped into a swinging bucket type seat with her legs wide apart. I watched as the man between Kerry's legs pulled the seat back and forth and as it did Kerry was being fucked by the man who just stood there. Yet more, there was two men that were resting, and as there was only Kerry in the room I surmised that they had both already fucked her. Besides the third man now using Kerry's pussy, there were two more waiting for a turn. Then as I stood watching Kerry groaned loudly and I could see her shaking as she came and the man between her legs withdrew his cock and sprayed his cum all over Kerry's mound and bush. The next man was soon replacing the third man and I watched as he penetrated Kerry and then started to rock her with slow deliberate small rocks. Kerry was looking in my direction, but her glazed look told me that she was not seeing me and was well away. The man fucking Kerry soon came but didn't manage to take Kerry with him as he pumped his cum into my wife. Before the next man took his place a women entered the room with the first man that Kerry had gone with. He dragged the woman by her hair over to Kerry and pushed her face between Kerry's legs and told her to suck. She sucked Kerry's pussy for some while, as ordered, triggering another orgasm for Kerry and then licked her mound and bush clean. Then the first man dragged the woman away to a table and started to strap her down to it. the last man stepped up and penetrated Kerry and then used the rocking motion of the chair to fuck himself and Kerry. Kerry was groaning. The first man had left the other woman and the room. I was hard again, so I went over to the woman and asked if I could fuck her. She replied that she was hardly in any position to refuse me. So I stepped between the woman's legs and penetrated her and started to slam in and out. Kerry was beginning to get very noisy again and I watched her being rocked as I slammed into the woman that had licked Kerry out. The woman came as I fucked her and I managed to hold my orgasm back. The man with Kerry came when she did. I took this chance, leaving the woman, and staggered to Kerry and slipped my cock into her and started the rocking motion which I had seen with the chair. Kerry was close again as I rubbed her clit to tip her over the edge, and as she moaned her head off and came I pumped my cum into her to join with any of the previous men's cum that was still in her. As Kerry recovered she pleaded with me to undo her restraints, which I did. Then she wanted to dress and go home. On the way home she told me that she had seven different men fuck her including me. She told me that she had loved every minute of it, but couldn't have taken any more. Then she said that next time she wanted to try the bench. I hadn't seen the bench but she described it as a bench that the women lay on, either on their front or back. If they were on their front then their feet were shackled to the legs leaving their pussy fully exposed from behind with their legs wide apart. If on their back then there was two ropes from the ceiling to hold their legs tied up and apart. Kerry then declared that it was her first gang bang, but would definitely not be her last.