Illustration shows how to tie the main fishing line slightly.

1. First, fold one end of the fishing line in half as shown below, and then insert it into the space bean.

2. Next, tie a knot on the top and bottom of the space bean as shown in the figure and tighten it.

3. Fold a circle between the two knots as shown in the figure below, and the double thread at one end is sandwiched in the double thread separated at the other end.

4. Then put the folded insect trap into the knotted pole tip rope as shown in the figure below, and then tighten it.

5. Finally, as shown in the figure, push up the space bean fixing knot to make the rod of the main fishing line slightly knotted.