I'd been out of work for a while and friend gave the details of a photographer who was looking for models. After laughing it off and asking " Who's going to want me as a model? " My friend said you might be surprised - he's gay but he's a nice bloke. I put the number in my pocket and forgot about it. Later I was browsing SH website and spotted a guys profile where he was photographed in black and white in light bondage type poses. I felt a stirring in my groin and then thought again of the photographer mentioned earlier. My friend had no idea that I had a bi side and in fairness I'd had more wanks over bi scenarios than I'd actually had bi experiences. All sorts of ideas and fantasies rushed through my head about being at a gay photographer's beck and call and eventually with a raging hard on and I'm sure a nervous quiver in my voice I rang the photographer Peter. Peter was warm and welcoming on the telephone and very enthusiastic saying he'd nearly given up on finding a model. He asked if my friend had said anything about the nature of the modelling he had in mind and I admitted I had no idea. "I'm a great fan of the naked male body in an artistic sense" he said. "Would that be a problem for you?" My head was rushing at the thought and i was unable to answer. "Of course the pictures would not identify the model because an essence of the shoot I have in mind is anonymous adventures. I'd totally understand if you had problems with that. I have clothes, outfits and props that I'd like to use in the shoot that may shock you but I pay well". I was able to stutter out a nervous "Okay" and he gave me his details and arranged for me to call at his apartment later that day. The door was opened by a handsome man in his 60's with shaven head, and grey goatee beard. He was slim and athletic in appearance and had stunning blue eyes. He greeted me warmly and invited me in and locked the door behind him saying "We won't want to be disturbed". He led me through to a well lit studio full of natural light from a conservatory that adjoined it and opened out on to a secluded lawned garden. "I'm not going to beat about the bush" he said "the theme of the shoot is submission and I want you to get in to that theme right away and do exactly as I instruct you. We've agreed a generous fee for your time but if you are not willing to submit and be completely obedient I'd like you to say so now and leave". I had a warm sensation beginning to stir in my stomach - a sense of nervousness combined with excitement and arousal. "I'll do as I'm told. I'm nervous as hell but that will probably help " I replied in barely a whisper. "Oh good, very good. From now on you will not speak unless spoken to and if you do address me it will be as 'Sir' do you understand?" "Yes sir" I replied. "Okay strip naked and put this leather collar around your neck" he said handing me a black leather collar attached to which was a long metal chain. My look of surprise invoked a sharp command "Do as you are told, now!" He sat in an arm chair and watched as I removed my clothes. I felt my cock beginning to swell in anticipation and turned away slightly in the hope that it would not be so obvious. "Oh, nice. Very nice. Stop right there drop the collar and lift your hands above your head as if they were tied to a hook hanging from the ceiling". I was eager to comply but feared my rapidly swelling cock was giving me away. "Shut your eyes," I did so and i heard him move from the chair and walk across the solid wooden floor till i could feel him close to me. My cock was now fully erect and I felt something hard and cold rub up it's length. I involuntarily opened my eyes and saw him holding an old fashioned schoolmaster's cane that he'd stroked my cock with. "I can see you are excited. Are you willing to submit?" "Yes sir" I said and he smiled with lust but their was a glimmer of cruelty in his eyes.