Also, once you sort of get "piercing-dar," as it were, you can get really good at spotting nipple piercings through clothing. So, chicks with pierced nipples, at least, will find it attractive. Big Ass. But be subtle about them regardless. As long as you don't also have a goatee.
Your question and one you can't know the answer to ahead of time is whether the chances of your repelling a potential Ms Right outweigh the chances of attracting a different nipple-ring-loving Ms Right instead, or vice versa.
Depends on the guy. Tinna Angel 12 videos. I would definitely expect to get to play with them, though. I'd probably laugh.
Not to me they're not, but I'm another straight man so, I predict, not your target audience.