Kurokuwa serving daimyo (Japanese territorial lord) in the Sengoku period belonged to konidatai (caravan of men and animals carrying supplies) and engaged in constructing encampments, bridges and so on, and recovering and burying persons killed in war.
戦国大名に仕えた黒鍬は小荷駄隊に属して、陣地や橋などの築造や戦死者の収容・埋葬などを行った。