How to see the quality of fishing rod from its cross section

1, the first is whether the external paint surface is smooth, whether the external paint surface of the pole is smooth and whether there are bubbles, which can be felt by hand.

2. Secondly, if the shaking is abnormal, pull out all the poles and gently shake the poles to see if there is any abnormal sound.

3. The pole wall is uniform, the pole wall is obviously uneven, and the pole quality is problematic.