1, put two chain heads at the bottom of the clothes, one next to the other, and the bottom ends of both sides of the zipper are aligned.

2. Pull up the zipper in the usual way, and insert the left zipper into two zippers at the same time, and be sure to insert it into the bottom.

3. Pull up the top of the chain until it reaches the neckline and the clothes are put on.

4. Then pull the chain below for a distance, so that the long hem will open.

Fasten the outer layer of the clothes, you can't see that the bottom of the zipper is open from the outside.

6. When undressing, first pull the bottom chain head to the bottom, and then pull the top chain head to the bottom. Return the two chain heads to the original side-by-side position, and then pull the left side. The zipper is pulled out from both chain ends. You can take off your clothes.