1. Thread the shoelaces directly through the holes in the second row above (gray part).

2. Cross the ends of shoelaces, skip the third row of shoe holes and enter the fourth row of shoe holes.

3. Continue downward and pass through two rows of shoe holes at the same time.

4. After passing through the bottom two shoe holes, pass through the spare shoe holes in pairs.

2, double cross method:

1. Thread the toe strap from the bottom (gray part) directly into the two shoe holes at the bottom.

2. Skip two rows of shoe holes and cross through the fourth row of shoe holes.

3. Go through it again, and then go down from the third row of shoe holes.

4. Continue to wear upward, cross first and then wear upward, and wear it to the third row of shoe holes at a time. Finally, after passing through, it passes through the uppermost shoe hole.

3, lattice system method:

1. Insert the toe cap directly from the bottom (gray part) and go out from the bottom of each shoe hole.

2. Skip two rows of shoe holes and enter the fourth row of shoe holes after passing through.

3. Then, the two ends of the shoelace vertically jump off a row of shoe holes and pass through the second row of shoe holes.

4. Repeat the second and third steps, penetrate the fifth row of shoe holes, and then penetrate the third row of shoe holes vertically downward.

5. After passing through, pass through the uppermost shoe hole.