1, the right hand is 30 cm away from the trademark, and the left is long and the right is short.

Double-belt formal tying method: the long end, twice around the waist, before returning to the hips, adjust the length.

Single-belt informal tying method: the long end is wrapped around the waist, and the length is adjusted before returning to the hip.

3. The right short end passes through the inside of the anterior double layer of hip joint.

4. Adjust the length of both ends and tie a knot to make both ends have the same length.

5. Arrange the belts to see if the double belts overlap.