Sora News 24 tells us about tsumekaki hon tsuzure ori, a traditional form of tapestry weaving that is unique to the Shiga prefecture in Japan. To press down threads smoothly into place, practitioners use their own fingernails, into which they file perfectly-spaced notches.
The prefectural government created this video in order to promote tsumekaki hon tsuzure ori, which translates as "nail-scratching genuine-tapestry weave."
Photo: 株式会社清原織物