Back stitch method: the first stitch and the last stitch are often used, and the middle is often interspersed for reinforcement.
Oblique tit for tat: no trace can be seen after sewing.
Hidden needle method: also called hidden needle, it is used when the cloth piece needs to be connected from the front of the cloth.
Primitive edge method
Needle roller method
Needle shrinking method
The first four are commonly used sewing methods.