In addition, a bow which Yugara (wooden or bamboo part between Motohazu (the lower top of the bow) and Urahazu - the top of the bow) is flat and the cross-section surface is rectangular, and this is called a flat bow, distinguishing it from others.
また弓幹（ゆがら）が板状で断面形状が長方形をなすものをフラットボウと呼称し、それ以外と区別している。