1, darning method: The principle of this method is very simple, that is, knitting the loop of a sweater with a wool. The principle is simple, but it requires great patience. If the hole is big, you should first pull the warp with a thin thread and then go to the warp after repairing it.

2. Felt mending: This mending method is very unique and simple. Fix the selected model at the hole, put the top in and poke it with a needle until the top is thin and flat. This patched sweater is beautiful and flat, which is very suitable for novice Xiaobai who can't sew.

3, suture repair: it is also a good choice to sew different shapes with lines in the hole. The color and lines of the repaired shape can be designed by yourself. In fact, it is similar to embroidery, which is to embroider a patch on a sweater.