1. Align the pages and clip them on both sides with small clips.

2. Draw the perforation positions with a ruler, and arrange them in a line at equal distance.

3. Punch holes in the painting position with a hammer and nails.

4. Start sewing from scratch after piercing.

5. After sewing the upper left corner, sew alternately in turn.

Thread-bound books refer to the types of books bound with thread, also known as ancient thread-bound, which is an important invention of working people in ancient China. The ancient paper books in China experienced two stages: scroll and album. The reel consists of coils, shafts, ribbons and belts.