Why do nipples get hard

Do you know what the little bumps around the nipple are? "Braille for suck here" Originally Posted by OldButStillGoing
The little bumps are Glands of Montgomery. Their secretion helps reduce "wear and tear" on the nipple and areola and keep them lubricated.

And they look great too.
pyramider's Avatar
The nipples are nature's little thermometers.