I don't think they are modeled to have the nipple sticking out really. I have a few outfits and such that in the promos and renders used with them there is no nipplies but when loaded their is because the characters boob size has been changed and the outfit is set to basic vicky. I believe turning a few breast size dials or such in either the clothing or vicky (depending if the clothes have such morphs)should take care of that problem. Sometimes even just conforming the clothing fixes it. At least that's my makeshift unofficial way of doing it lol. Good luck.