The wooden Tanko was crafted by hollowing out the log other than curved part or by putting square plants together with lacquer on it, and some of them have decoration such as pattern and color on it.
木製短甲は丸太の湾曲部を残して刳り貫いたものや、方形板を合わせて漆を塗ったもので、文様や着色などの装飾が施されているものもある。