Take out a lock, put the tin foil in a special thing, insert the lock core with the same thing, and then fix the lock core on the vice and shake it left and right 1 min, and the lock can be opened smoothly.

2. Tap the lock cylinder

Insert the master key into the lock cylinder, and then tap the other end of the key with a hammer. When knocking, try to twist the master key to see if it can be opened. Usually it can be opened.

3. Insert the lock shed

Find a lost card, insert the card into the door, then slide the card to the position of the locking tongue and squeeze it inward to open the door. This method is simple and practical.

Extended data:

Precautions and suggestions for unlocking

1. It is suggested that if you want to unlock, you'd better find a regular and reliable unlocking company.

Regular unlocking companies generally have business licenses for special industries and must also file with the Public Security Bureau.

Check the license and filing of the unlocking company.

After finding the locksmith, we will talk about the price.

When looking for a locksmith, be sure to make it clear to them. What is your lock, or a security door? Or ordinary?

Is the key a cross, a word, or something?

Because the unlocking difficulty of different locks is different, the price is naturally different. So I don't have to charge you more.