Standard nipple piercings. East Bay CA
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/93126713@N00">Oscar V</a> from Oaktown, USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/93126713@N00/320218363/">Double Nip gum</a>