There are a lot of traditional handicrafts in Yamanashi Prefecture.
Thirteen of them have been designated as “Traditional Crafts of Yamanashi.” These are Koshu Crystal and precious stone carving, Koshu Inden (lacquered deer leather), Koshu hand-carved seals, Amehata Koshu ink-stone, Koshu Oishi Tsumugi (silk) woven fabric, Nishijima Handmade Washi (Japanese paper), Koshu warrior/carp streamers, Koshu Oni (demon) tile, Parent and child daruma doll, Ichikawa Daimon Handmade Washi, Jewelry of Yamanashi (Yamanashi gem cutting), Fuji-Katsuyama suzutake bamboo crafts and Koshu Fireworks. (https://www.porta-y.jp/en/leisure_culture/20591)
House of Yamanashi Traditional Crafts, Fuefuki, Yamanashi, 7/31/2023