a lot time ago i have read a post where there was a work around nipples to have a real skin bump or displacement using nodes in material room

unfortunately i haven't saved the post.

someone may give me an hand to build a good skin bump or displacement for real nipples ?

thanks

Poser Pro 2014 SR 1 on Windows 7 64 bit
I use IDL, Gamma Correction and EZSkin for all final renders.