1, b jade line, four red lines, two1.4m.
2. First tie a double money knot with brown thread.
3. Then walk around the outer circle of the brown line with a short red line.
4. adjust.
5. Close-up.
6. Use the remaining two long red lines to walk around the brown inner ring. When it comes out, the long line is the outside of the line.
7. Make it to the required length.