1, autumn child 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, the more excellent the quality of walnut

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 becomes a very important criterion for judging, in general, the size of the same, with a similar pattern Folding quality is better

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