For some reason its training thinks they are decorative, I guess it’s a pretty funny elucidation of how it works.

I have seen a lot of “pasties” that look like Sorry! game pieces, coat buttons, and especially hell-forged cybernetic plumbuses. Did they train it at an alien strip club?

The LoRAs and VAEs work (see civit.ai), but do you really want something named NSFWonly in your pipeline just for nipples? Haha