How to install a fishing sub-line on the main line

A: The connection between the secondary line and the main line needs a fishing gadget named the eight-character ring.

The specific installation method, in words, is not easy to understand. You can Baidu about the method of tying the main line with the eight-character ring, and the method of tying the sub-line with the eight-character ring is clear at a glance. Take a look at the first two pictures.