1. Put the faucet ring and the phoenix tail ring on the middle finger respectively, the faucet ring on the left middle finger and the phoenix tail ring on the right middle finger.

2. Butt the faucet ring on the middle finger of the left hand and the phoenix tail ring on the middle finger of the right hand together, and gently rotate them to make them interlock with each other.

3. Turn the faucet ring on the middle finger of the left hand and the phoenix tail ring on the middle finger of the right hand together to the left or right until they match each other, and put on the ring.