This is how the fantasy goes

You take the now flaccid shaft by the foreskin, and noticing that I too had shaved him back before our rendezvous, apply a small coating of Vaseline along and around the base of the shaft near my body and on the beginning part of the testicles; being careful not to get any more than a one inch high ring from around the base on him. You lay him down on my belly and slide him into the metal slotted ring with a glue strip attached on it. You get him part of the way inside and then use the washcloth to get a good grip on the foreskin. You pull him straight up by the foreskin, aiming him towards the ceiling, and slide the ring all the way down to the base of the shaft making sure that the slot in the ring is toward the bottom of the shaft and in line with his opening in the head. You hold the ring down firmly on him until he rises to the occasion again, pressing and sometimes slightly twisting it back and forth until he becomes erect. Now you clean him off using some rubbing alcohol on both sides of the shaft. Your friend looks upon you in awe as you fill a couple of needled syringes with lidocaine and, holding the shaft in one hand and with the foreskin pulled upward, press the syringe all the way into the right side of him and push the plunger down slowly until all the solution has entered him. You tell your friend that one shot would normally be good enough for hat you want to do to him, but you are feeling a little naughty today; so you take the second syringe and inject him in the left side. Your expertise in administrating the injections do not cause him any pain, nor allow him to bleed. You now hold down the ring against my body causing him to swell to his full potential. Once he is fully hard and erect again, you pull the protective plastic strip off of the glue strip and roll the foreskin down onto the glue-board portion of the ring, giving him that circumcised look.