On the other hand, although dotaku is thought to have been introduced from the Korean Peninsula, there was a difference in forms of introduced and manufactured products, and the process of manufacturing in Japan Archipelago is not known.
一方銅鐸も半島から伝わったと考えられるが、持ち込まれた製品と列島で作られた製品とは形態にやや差があり、列島での生産開始過程はよくわからない。