The traditional katana sword is fashioned only from the purest steel, which the Japanese call tamahagane ("jewel steel"). Over three days and three nights, smelters using ancient techniques shovel ...
In this video, the complete restoration of a rusted Japanese Katana sword is showcased. The blade measures 2.5 ft (76.2 cm) in length, with a handle measuring 9 in (22.86 cm), giving an overall length ...