On the other hand, in the production of the Japanese bow, a particular gelatin (glue) was created, which led to the development of a compound bow (also called a laminated bow) made of laminated compound materials such as bamboo and wood using gelatin to bond it together.
一方、日本の和弓は、特殊なゼラチン（にかわ）を開発し、接着剤として用いて竹と木材を繋ぎ合わせ、積層状の合成素材で作られた複合弓（積層弓でもある）が進歩していった。