Same as lambjam, you can clearly see the holes from my second and third piercings, can't even remember the last time I wore earrings in them, they've been closed over for years.
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I also have a small hole on my nose from my nose piercing, I thought I was SUCH a rebel, and then everyone started getting them so I took it out. That was 15 years ago. And my nipple ring left holes too, but they were very useful when trying to breast feed lol