1. Find a white wax or candle, and apply it to the teeth of the Zipper . 2. The oil of the sewing machine is relatively transparent and clean, and can be dripped on the Zipper , but not so much. If sewing machine oil is not available, peanut oil, vegetable oil can be used instead of gasoline. 3. When the Zipper is not smooth, if there is someone who knows how to repair at home, you can use a needle and thread to sew a hook on the part below the Zipper , so that the square hole at the top of the Zipper can be hooked, so that the Zipper can move more smoothly. Solid, not easy to derail. 4. You can see if there is a problem with the head of the Zipper . You can try to replace it with a good head, go to the clothes store outside, or change it on the street 5.If the Zipper Head is good, it can only be completely solved by replacing the entire Zipper . When replacing, you need to pay attention to the integrity and quality of the Zipper head and the teeth of the Zipper .
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