This craft is an ancient metal decoration technique with a long history. After processing, the product becomes "beautiful, unique, glossy, layered, more distinctive, and has higher collection value". Manganese steel samurai swords are a popular choice for sword enthusiasts and collectors. These swords are renowned for their astonishing beauty and extraordinary power. The unique pattern of manganese steel is formed by folding and hammering different layers of steel together, resulting in blades with unique vortex patterns. Then, the clay tempering process is used to give the blade a unique Hamon or reflow line
