1, autumn son commonly known as "hickory". Selection of autumn child strings generally look at the pile type, skin color, size, flesh.

2, pile type: generally the shorter the pile type of walnut, walnut quality is more excellent

3, skin color: walnut skin color to orange-yellow for the best, if the tip with yellow, is a symbol of bad quality

4, size: walnut strings are composed of a number of small walnuts, so the size of the walnut becomes a very important criterion for judging, in general, the size of the same, with similar patterns Folding quality is better

5, meat: small walnut strings as a representative of the excellent effect of disk play, generally want to choose not lack of meat, meat full of walnuts, so that the effect of disk play is also more outstanding