Lock knot: The lock knot is simple and practical, and is the best way to shorten the length of the rope. Often used to start or end a knot.
Preparation method:
1. Take the yellow line as the auxiliary line.
2. The red line is laid out as shown.
3. Take one end of the red wire and wrap it several times as shown.
4. Stuff the thread into the red coil.
5. Tighten the wrapped red thread.