Home security key to the keyhole when inserted in the special card astringent, when the pull is also particularly astringent, I do not know how to do
You just need some lubricant on the line, you can use 2B pencil on the key to draw a picture, or with 2B pencil powder rub a rub, you try it.
Pour some pencil ash put inside, it will become very smooth, my mother to do so very good use
This is easy to do. Take a 2H pencil and hang a lot of pencils with a knife. Use a screwdriver to remove the anti-theft door lock and slowly pour the pencil foam from the keyhole. Gently knock knock knock anti-theft door locks, insert the key with the key repeatedly rotation, until the feeling of flexible rotation so far. According to the original installation can be restored. If you can not dump anti-theft door locks, staring at the jealousy German pet spring can touch the pencil directly into the keyhole can also be, the effect is slightly worse, need to rotate the key several times until the feeling of flexible rotation so far.
