Preparation materials: a piece of paper and a piece of string.

1. Use a hole punch to punch a hole in the cardboard.

2. Then cut off the 4 corners of the cardboard.

3. Next, use a pencil to draw a four-leaf clover pattern.

4. Then double the rope and pass it through the hole, then pass the two open ends of the rope through the coil at the other end and tie it tightly.

5. Color the flowers and the bookmark is ready.