How do you lock the knob lock?
Because the inside round knob locks the outer circle lock, the lock tongue can lock the door, and if you want to open the door outside, you must use the key. So I hope you'll be careful when you lock the door and you can use it well.
This situation can be solved this way:Before you lock the door, press or lock the inside of the small round, and then you can lock it when you bring the door.
Before you lock the door, press or lock the inside of the small round head, and then bring the door.Inside the small round lock is locked outside the round lock, not lock the lock tongue, you can lock the door, you want to open the door outside, you must use the key.
