In the end I’d do it free…

I knew what I was getting into, both conceptually and physically, when I agreed to be filmed or videoed confined in a heavy rubber bondage sack, and milked to the edge of madness, for $200…an hour or so later, gasping into a rubber breath-bag, my first cum I’m told almost hit the ceiling, it was so intense…I thought that was it, but gagged as I was, and otherwise 100% helpless, I was powerless to interrupt as the wanking continued, with slow intensity until my muffled screams were endless. About another hour later, I exploded in massive spasms and spurts, wondering if my heart could take any more of this. My balls were tightly trussed with some kind of cord, then they were smacked, not quite hard, but very uncomfortably, drawing much-muffled groans and moans from me. The slow addictive caress renewed, until I would have howled, but for the gag…
even so I must have sounded crazy, with the noises I was making, as the masturbation resumed its previous intensity, which was verging now on painful! Unable to affect the outcome in any way, I drooled incoherently, in ever-increasing desperation, until I actually passed out at the third massive eruption, sure I had just been “wanked to death”…when I came to, I was free, and there were two hundred-dollar bills in my hand.
“Good to go? That was excellent…we’ll use you again, if you think you’re uh, UP for it…?”
“Tell you what…give me an hour or so, then let’s do it again…” I held out the bills – “no need to pay me – I’ll do it as long and as often as you want, free…just keep me tied up, so I can’t change my mind…deal?”