Cufflinks. Focus stack of 21 pictures. Strobist: One Yongnuo 560III strobe in a Firefly II softbox camera left. Another Yongnuo 560III camera right through a white umbrella. A piece of styrofoam on each side. The strobes were triggered by a Yongnuo RF603II remote trigger.
<a href="//commons.wikimedia.org/wiki/User:Code" title="User:Code">Ansgar Koreng</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>