One, What should I do if the handle lock cannot be opened?
1、 Using a long, thin, pointed knife, try repeatedly until the opening is achieved. If it doesn't open in one or two attempts, continue trying.
2、Find a professional locksmith service.
Two. How to open a double-lock that locks in both directions.
We can use a sharp and thin knife, with a sharper blade being preferable. First, position the shackle so that the central, expandable portion (also known as the shackle pin) is engaged. Ensure the shackle pin does not come into contact with the shackle groove to minimize friction. Then, using the knife, insert it into the gap between the shackle groove and the shackle pin, applying pressure in the direction of the shackle pin's free movement. You may need to try several times, but with persistence, it should open.
Three. How to open a "Three-Hand Lock"?
The lever handle lock is one of the easier types to remove from a door lock. With the appropriate tools, simply loosen and remove the fixing screws, then remove the locking mechanism and the cover plate. Finally, loosen and remove the screws on the sides to complete the removal. The lever handle lock is primarily fixed with screws, so removing the fixing screws will allow you to remove the lever handle lock.