The what? The Sakura Pigma Holder is an aluminum exterior sleeve for Sakura Pigma Micron pens. Grab your favorite Sakura Pigma Micron, uncap it, slide the barrel into the Holder barrel, attach the ridged grip section, and voilà! Fancy Sakura Pigma Micron. I have one Navy Blue Holder to give away this week, so read the rules below and enter away!