1. First prepare a line and draw the left and right sides of the line into two ears and wings.

2. Turn the lower two lines and press the right ear wing.

3. Repeat step 2 counterclockwise in turn.

4. Insert the left ear wing into the space left by the two lines below.

5. Tighten the knot.

6, clockwise, starting from the above two lines, repeat the above steps to make a circle.

7. Tie and arrange knots.

8. Pull out the ear wing and adjust it into a line. Pay attention to the external ear, not too small to avoid loosening.