The color of iron walnut has not changed obviously, but it feels much smoother. Walnut dishes have been played for a year, and they are basically ruddy and patina.
Walnut is a variety of walnut. Walnut belongs to Juglandaceae, a deciduous tree with pinnate leaves. Endocarp hard and wrinkled yellowish brown. Harvest the fruit around the Millennium, rinse, dry and clean the rotten skin of the fruit, which is what people call "walnut".
Iron walnuts have no value to play unless they meet the best. Generally speaking, few people play iron walnuts. There are many varieties of hemp walnuts, such as lion's head, which are sought after by players and have high value to play.