With the exception of ears, are you stuck with one type of piercing?

So people can and do wear different earrings. Yet with nose piercings, lip piercings, tongue piercings, genital piercings, nipple piercings, etc. I don't see that much variation from what you started with. Can you actually change out these piercings, or do you have to stay with what you have?

With the exception of ears, are you stuck with one type of piercing?
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