THE SMART TRICK OF KATANA SWORDS THAT NOBODY IS DISCUSSING

Following the blade is formed and its edge outlined, it undergoes the crucial strategy of heat cure called yaki-ire. This involves the appliance of the clay slurry for the blade, which has a thicker layer applied to the human body and spine in the sword, as well as a thinner layer alongside the edge. The sword is then heated and rapidly quenched in