Sounding is one of those kinks that seems like something no one in their right mind would want to do. I mean, seriously. You want to put a metal rod WHERE?
Related:
Sounding like fun torture (a Fiction? Story)
But I think it’s also perhaps one of those things that is surprising. It’s surprising because it’s so different, so intense and so on the edge of “ok” mentally that it has all sorts of intrigue and kink built into it.