Quote Originally Posted by chromedome11
In Tommy Lee's book on his Motley Crue days, he talks about going to jail after Pamela charged him with abuse. They made him take off all his jewellry, but couldn't undo his nipple rings. Even wire cutters wouldn't remove them.

I have no idea what he did to them, but his experience shows nipple rings can be permanent attire.
I have seen crimped nipple rings now you mention it. That would not run the risk of burning flesh.