<a href="https://en.wikipedia.org/wiki/Diamond_knot" class="extiw" title="en:Diamond knot">Diamond knot</a>: Chinese button knot. Photo taken by me on aug 24 2004
<a href="https://en.wikipedia.org/wiki/User:TheHungryTiger" class="extiw" title="wikipedia:User:TheHungryTiger">TheHungryTiger</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>
<span class="int-own-work" lang="en">Own work</span>