The idea of trampling is hot. The visuals can be fantastic. It works both masochistically and psychologically. Yet somehow, whenever I try it, I struggle with it. I think that’s mostly because I’m afraid a rib is going to crack. I’ve got no natural intuition for the force they can take. It’s tough to relax into the moment when I’m picturing a trip to the ER and explaining why I’ve got heel marks all over my chest.
I suspect my fears are unwarranted when trampling is done properly. This article claims that a force of 3,300 Newtons gives a 25% chance of cracking a rib. That kind of force can be generated by a hard fast punch, but it’s a long way off the force exerted by the resting weight of a human. A 140lb domme would exert just 622 Newtons of force from standing on someone. Of course that’s only true when she’s stationary or when moving carefully. If she jumps then she’ll exert a very large force when she lands and rapidly decelerates. So if your domme wants to try that, I’d suggest telling her that Mr. Newton strongly recommends against it.
This fantastic trampling shot is from the twitter feed of Michelle Lacy. I love both the space she’s in and the bondage/trampling combo. If you’re interested in playing with her, she’s based in South Florida but does travel.
I’m not sure who this is a photograph of, but she looks well equipped to administer all sorts of strenuous treatments. Breath strips placed in delicate places might be the least of your problems.
This image of Miss Marilyn comes from 
You can see more shots of the rope mummy from 
This is Mistress Lucy in one of the rooms of her private session space, shot just before our session. You can browse her twitter feed
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