Key lock is a common bathroom door handles and other door in the house is not exposed to the outside world. push buttons to unlock the lock has been closed or demolished without calling a locksmith door know - some common household items will be out of lock. There are three different procedures to follow - on the front door to know after the hole - and each is very simple and will not damage the lock.
　　1 straighten out the paper clip with your fingers. Paper clip into the center hole of the door handle end. By paper clip to the left and right of the door handles and stability. Deleted, the release of push buttons that now when he heard a "clicking" of the paper clip. Turn the door handle to open the door.
　　2 hold the doorknob with one hand. Remain on the other hand Hairpin. Center keyway insert door handles Wave. Twist until the "click" clockwise Hairpin hear. Remove the hairpin. Turn the door handle to open the door.
　　3 Push buttons sewn into the edge of the door and the door between the side panels flat head jeweler's screwdriver. Move until a "click" flat side of the jeweler's screwdriver head up and down to hear. Remove the flat-edged screwdriver jewelers. Turn the door handle to open the door.