Nagado Daiko KeyakiExcellent Taiko Made of Keyaki, Japanese Zelkova Wood Keyaki Wood Keyaki (Japanese zelkova) is the best material for the nagado daiko. It has been used for various situations in Japan since a long time ago. Japanese have used it for furniture, taiko body, and also wooden building such as temples and castles because it's easily worked, hard, and durable. Especially, nagado daiko with keyaki kurinuki (hollowed out) body is the excellent quality taiko.