And after a 5 year apprenticeship and years of training he became one of the 180 sword smiths working across Japan. Japanese swords have always ... As sheets of steel are folded into each other ...

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 ...

And after a 5 year apprenticeship and years of training he became one of the 180 sword smiths working across Japan. Japanese swords have always ... As sheets of steel are folded into each other ...