Fushu were superior in fighting on horseback, and the warabite-to (curved sword), an unsheathed sword used on a horse, became the original shape of Kenukigata-Tachi (hair-tweezers-shaped Tachi [big sword]) that developed into Japanese swords.
俘囚は騎馬戦術に優れており、騎乗で使用する白兵である蕨手刀は後の日本刀へとつながる毛抜形太刀の原型となっている。