Cross knot: This knot has the shape of a "ten" on the front, so it is called a cross knot, and a square knot on the back, so it is also called a square knot, a square knot, and also called a success knot, crown knot, etc.
Preparation method:
1. Arrange the lines as shown.
2. The red line presses the yellow line.
3. The yellow line presses the red line and picks up the red line.
4. Tighten the red wire and yellow wire.
5. You can make as many knots as needed.