[Features] ● Even now, the manufacturing method is fire forging, in which red-hot iron pieces scatter sparks. Manufactured by Higonokami, the last traditional craftsman. From Miki City, Hyogo Prefecture, the production area of cutlery, the last master craftsman of Higonokami fired the highest grade steel Hitachi Metals Yasugi Steel Aogami from the Yasugi region (Shimane Prefecture) and forged the blade.