My name is Gary and i married my wife Sheila 12 months ago but we had been together for 15 years I am 52 and Sheila is 38 and we are both into BDSM and are also both bisexual I used to work with an older gent 64 Brian and he had come to my stag do and was one of the few who took a caning. Well about 5 weeks ago one of my work colleagues was emigrating and her and her husband invited us to a leaving do when we arrived Brian was there with his wife Sue a couple of years younger but had kept her looks and figure we spent the whole evening together and Sheila and Sue seemed to get on well and Sue was very interested in our BDSM activities much to Brian's surprise. When we got home Sue told me that she was meeting Sue for lunch the following day. When she got back the following day she told me that Sue was not as pure as we first thought as she told us Brian suffered with erectile dysfunction through his diabetes and she had been with other men when on holiday with the girls and had 2 threesomes. She was also interested in BDSM so they had booked an appointment with our mistress for the following Thursday. We all met up and Sue was really taken with Sheila's red pvc outfit she had agreed to take some punishment after she had watched Brian tied up spanked and then thoroughly caned which she did I was surprised at the caning Brian took as the marks would be there at least 2 weeks . As we had a coffee after Shiela and Sue arranged to meet again on the Friday for lunch and to go shopping. Sue arrived home to say that Brian was busy on Saturday so she and Sue were meeting up to go to our suppliers of fetish wear . I got a call about 4.oo pm on Saturday to say that Sue was just trying on the last thing so If I could pick us up she would be coming to our house for the evening. As I entered the shop Sue had her back to me and was fastening the suspender straps and I commented that she needed a good spanking she turned and smiled at me . She wore her new outfit in the car to our house and as soon as we got home Sheila got changed into her purple pvc skirt and pulled out our special home made spanking bench where the top had a hinged shelf which when up meant your upper body was flat on the shelf and your head at the end of the shelf. I told Sheila to show Sue what to do and as she was bent over I lifted her skirt and started to spank he r hard Then I did the same to Sue till her bottom was warm and as red as her pvc knickers they swapped places and I then said to Sue take your dress and knickers of so she only had a bustier and stockings on she bent over again and she felt the paddle which shocked her and after 4 tried to stand up so I told Sheila to lean on her back which she did as I gave her another 10 then told them to swap places so Sheila just had her purple pvc bra and matching knickers as soon as she was lay across the bench I took her knickers off and told Sue to lean on her After a few few strokes I saw Sheila move her head and Sue squeeled and said nice and I then watched Sheila sucking and licking all around Sue's love hole and she was soon starting to have an orgasm quickly followed by another as Sheila's fingers were right inside her after she came down we guided her upstairs to our spare room and lay her on the bed and she saw my rock hard penis and my P.A. and just nodded her head as I spread her legs and slowly entered her working up to a nice smooth rhythm and could feel her muscles clamping my penis as she started to have another orgasm Sheila moved over her head and soon Sue was starting to lick Sheila we all had a fantastic orgasm within seconds of each other and she screamed for me to come inside her. We all settled down afterwards and we mentioned that our Fetish club had a club night in 2 weeks and that she and Brian were invited and they could stop over with us The following Wednesday Sue phoned Sheila to say that they would be coming and stopping over but that Brian was unsure about being there when I had sex with somebody and he was definitely unconvinced about sex with Gary but we agreed to see what happened. On the Thursday before the Fetish night Sheila phoned Sue to make sure everything was still alright and to ask Sue what toys she had and was surprised she had none so advised her to call at Ann Summers and get a vibrator about 8'' and also a rabbit vibrator and some really sexy underwear. She also suggested that they come over on Friday to see how things go before the Fetish night and to get Brian some pvc shorts and nipple clamps. They arrived at about 3.00 pm on Thursday and Sue said they had spent £200 on toys and underwear. As Sheila fixed us all a drink I asked Brian had he taken a Viagra today and said no bur he had them with him so i offered him a Cialis instead and told him they would last for 36 hours and to take it now on an empty stomach . we had another couple of drinks and was feeling more relaxed and about 4.30 I told Sue to get her case and I would show her their room. Sheila takes up the story next while I am helping Sue to unpack. after about 5 mins i took Brian by the hand and led him upstairs and as I passed the door where Gary was I saw the 8'' purple vibrator on the floor so picked it up we entered our special bed room with the Bed Gary has made for us it is 12 ft square four poster and on each corner and all four rails are attached lengths of blue rope I gently started to undress Brian till all he was wearing was his red silk boxers he lay across the bed at the bottom and i tied his left wrist and left ankle to the bed with one of the ropes I then took the corresponding rope from the top of the bed and tied his right wrist and ankle till he was spreadeagled across the bed and unable to move and then covered the ropes with black satin sheets . I stripped my self till i was now in just stockings and suspenders and french knickers I lowered my breasts til my nipple was just touching his lips and soon his tongue appeared and as I went lower he opened his mouth and started to suck my nipples in turn I the lowered a tiny ledge under his head so that I could slowly lower his head and I picked up the vibrator and turned it on and rubbed it over his body the down his shorts and I could see some movement down there I slowly moved the vibrator to his mouth and turned it off as i slowly fed it in he was soon gagging but after 10 mins trying found the angle and it went right in the full 8''. I then pressed the button under the bed and a minute later Gary entered with Sue blind folded and wearing a bustier with her tits exposed suspenders stockings and a pair of mint coloured micro briefs with lace backs and a v shaped mint satin above her bottom that were cut Brazilian style she was blindfolded and had a silk scarf around her wrist I also noticed immediately that she was bearing Gary's trademark a 2'' diameter love bite to the left side of her neck , as she was guided past us Brian noticed it and his eyes really opened she was taken around the bed and helped up till she was at the opposite corner from us Her wrists were the fastened to the top rail about 3' onto the bed and she was told to keep her legs together but you could still see an unmistakeable damp patch in her knickers Gary then got stripped and he was already starting to get exited and he moved behind her she felt his penis slide between her legs at the rear he stood right behind her and started to play with and squeeze her nipples and at the same time started to suck bite her neck on the right and she moved her head to one side as she started moaning in pleasure he ran his hands down her belly and over her knickers to he groin before moving both hands up and inside her knickers bringing a shudder from her i looked at Brian and he was sucking on the vibrator like it was a dummy . Gary took one hand out and moved it behind her and Sue screamed a little in pleasure and i knew that Gary now had fingers up her bum his other hand was starting to work its way between her legs as the opened slightly to allow his fingers inside and he looked to be playing with her clit with his thumb Brian face was a picture as Sue had 3 orgasms one after the other as she came down from the third Gary lowered her to the bed and I saw Brian notice his piercing Gary tied her hands to the lower rails before spreading her legs and Made certain that Brian could see him entering her before pumping hard into her for a few minute and she was screaming for him to fuck her harder . I then slowly removed the vibrator from Brian's mouth and Gary pulled out of Sue as I replaced him with the rabbit and she started another orgasm almost immediately and Gary guided his penis into Brian's mouth he gagged a few times before Gary was all the way in and slowly started to move in and out after about 7 mins Gary stiffened and then Brian was choking as Gary came right down his throat as Gary pulled out I noticed Brian was rock hard so mounted him and rode him as hard as i could and Gary reentered Sue both Sue and Brian orgasmed at the same time . We all lay on the bed and all ropes were untied during the night Brian gave anal sex to Gary and in the early hours Gary managed to return the compliment as Sue and Myself moved to the othe room and i introduced her fully to the joys of sex with a woman What happened the next night at and after the party to follow soon