The glue that is made from petroleum oil is mainly used in recent days, but gelatin from the deer skin called nibenikawa has been used from long past and makes the pulling movement soft, bow to last long, and is skilled although it is harder to obtain compared to those that used the petroleum oil.
現在の主流は石油合成接着剤であるが、伝統的には弓独自に使われる鰾膠（ニベニカワ）と呼ばれる鹿皮原料のゼラチンが使われており、合成接着剤を使用した弓よりも手入れは難しいが引き味が柔らかい・寿命が長い、冴えが良い等とされる。