The method of hanging the chain on the big mouth sister's mobile phone bag is as follows:

1. Find the chain button on the phone bag. Such buckles are usually located on the top or side of the bag.

2. Choose the appropriate chain length. If you want to hang the mobile phone bag on your wrist, you can choose a shorter chain; If you want to hang your mobile phone bag on your backpack, you can choose a longer chain.

3. Pass one end of the chain through the chain hanger. Pass one end of the chain through the chain hanger, and then fold the chain in half.

4. Hang the mobile phone bag on the chain. Pass the chain buckle on the back or side of the mobile phone bag through the other port of the chain, and then tighten the chain.