When the door is closed, the umbrella is caught in the door, the door is open outward, there is no h

This is very simple, when you close the door, listen to whether it is the sound of the hinge of the security door, if you go to find a little lubricating oil or lubricating oil of the car, get it to the hinge, and then close the door back and forth a little more, let the oil seep in! If there is still a sound, you can continue to consult me!

You plug in the key, then pull the towel open as you twist it.

The lubricating oil on the back of the deadbolt may be due to excessive friction between the back of the deadbolt and the deadbolt outlet on the door, which makes the deadbolt unable to retract when the door is closed. >>>More

Mystery Hear.

The riddle means that the ear is clamped outside the door, and the ear and the door are combined for smell. >>>More

There is a small foreign object under your door frame, and when you close the door, you find that the foreign object pushes the door page, so you have to pull hard to close it, and when you open the door, the foreign object is carried out of the door frame with the door page, because the foreign object is not big, you still have to notice that there is no foreign object in the door frame. >>>More