1, pry open the chain with needle-nosed pliers, measure out the long shoulder strap wrapped in the chain, and then close it in a suitable position;
2. As in 1, remove a section of the shoulder strap of the chain bag with a vise and connect it back as it is;
3. Tie a knot on the side, leave a ring at the knot, and then hang a matching pendant to cover it up;
4. If the bag has a cover, you can wrap the chain around the cover and the length of the chain will be short.