http://www.medicalbag.com/body-modification/pucker-up-lip-plating-still-in-vogue-in-remote-tribal-villages/article/472684/
These lip plates are symbols of beauty in the few cultures where they remain. Similar credibility-plates are common, if invisible, in western culture: law-politics, economics, religion. As this ornament is abhorrent to us, so our similarly deceitful distentions are as abhorrent to others, if unrecognized by us.