2. Draw the perforation position with a ruler. Keep the same distance in a row.
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.
6. Sew it to the end and then sew it back. Where there is no thread, sew it.
7. Sew to the beginning and tie the opening thread.
8. Thread-bound books are sewn.
9. Pay attention to the binding direction when making thread-bound books. Most thread-bound books are front bound.
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