Hmmm, looking at the picture, a person has to wonder. Does Janet Jackson use one of these handy devices for keeping nipples popped up and ready for hanging hardware on?

Nipple Enlarger Ring Kit
Nipple Enlarger Ring Kit

“Easy to use: Pick your pump, slide your ring of choice on to pump applicator, squeeze the bulb to suck the nipple and slide the ring on.”

Sounds a little ouchie, but it oughta work!