[suitable for] collection, self-defense, couple distribution, housewarming, gift giving, martial arts fitness and exquisite furnishings
[performance]: extremely sharp, easy to sweep a drainage, toughness up to 90 degrees, like chopping iron and cutting vegetables
[technology]: the blade is handmade by dozens of ancient Longquan methods, such as forging, hot forging, shoveling, filing, grinding, heat treatment (quenching), tempering, primary repair, finishing, etc