Well where do I start?! Today I had a client taking me from behind and Instead of holding on to my hips he decided pulling and grabbing my expensive suspender belt like an elastic band was a better option…. I had to tell him not to do that as it would snap / tear…. Then he hurts me by fingering me fast and furious reaching up to my cervix which made me yelp loudly in pain, I explained this was painful, showed him what I like, he did this for a few minutes then decides he prefers fast and furious to hurt me….
I've had that too with the suspender belt, like they're riding a bucking bull in a rodeo! So annoying.
Maybe grabbing and yanking on his cock fast and furiously would have gotten your point across better about how painful it was, I think that would have been my tactic if he'd already been told once.
I think some guys do enjoy inflicting pain just because they really don't like the fact they have to pay.
I had one who kept moaning about all my "rules" as though there should be no restrictions of any type just because they're paying ... idiot.