Vasoline?

Just a thought. Obviously any material that is difficult to cut is a problem, so in this situation wouldn't the best solution be to put the person under enough for the body to reset? Or is there a point where things can't reduce while restricted?

In other words, a swollen finger with a stuck titanium/tungsten ring isn't going to resolve that swelling quickly if at all. But other things do go down typically on their own once stimuli is gone.

wait, there's a specialized tool for cutting cock rings?

also i guess some variant of miniature wire saw would work

Amazing.