Operation method
Prepare a square paper jam
Folding marks of meter shaped characters
Push both sides to the middle
Fold several sides to the middle
Open according to crease
Open the whole thing and pinch a corner
Press this corner down
Fold the two sides according to the crease
press
Flatten according to the middle seam
Turn over
Fold the upper edge down
Fold left and right along the crease
Fold this edge according to the crease
Re flattening
Fold it down and fix it with solid glue
Insert both sides inside
A bowknot bookmark is complete