professionally tested, do not imitate ⚠️ blade material: (special price burned edge) sheath material: log lacquered sheath handle material: log through the heart handle configuration: pure copper knife family gifts: maintenance knife oil, cloth, brocade box process: the knife body of a thousand hammered, through the blanking, hot forging, shoveling, filing, grinding, heat treatment (quenching), tempering, the initial repair, refining, and so on, the ancient method of Longquan dozens of handmade.