What is the plum blossom eight-character buckle binding?

1. plum blossom point binding is to separate a binding point before binding; The overall planning seems to be plum blossom, but it is actually an arrangement.

2. The word "8" means to tie an extra "tail" aluminum wire in opposite directions, one to the left and the other to the right, so that it is not easy to be wound in the case of tight binding, and it is similar to the shape of an eight.