The sandalwood plate on the right is composed of small scales to ease bending and stretching when pulling a bow, while the he chest plate on the left is often made with one more iron plate because it is close to a vital spot.
右の栴檀板は、弓を引く際に屈伸可能なように小札で構成され、急所に近い鳩尾板は1枚の鉄板とする例が多い。