All items that need to be protected will have a lock structure, and then a key will be allocated. This product can only be used by one of its own people, but many of the keys will appear in a small situation after long-term use, such as not pulling out. Today the key supplier said that the key could not be pulled out.
First of all, the security door key cannot be pulled out, generally speaking is not good position. Some of them are caused by the dislocation of the door lock, and when the lock core appears out of the back, it can be pressed down with the hand, and the other hand can pull out the key. So don't worry when the key can't be pulled out, because the more anxious the more you can't pull out, you can try the above method when the key can't be pulled out.
Second, you can use a leather conditioner, spray on the key, the key is easier to pull out, or insert pencil ink, lubricant. When you're young, the key doesn't come out.
It would be easy to open the pencil with the end of the pencil. If this kind of mechanical product, some time inevitable meeting card dead, this time to be able to twist the direction of the end, then quickly turn back, push hard to press, return a circle to come out.

       According to the above method, it is still not good to pull out, the key manufacturers remind consumers to let the locksmith come to help. Because in this case, only the help of the locksmith is the most reliable. In life, if you encounter this thing, don't panic and calm down. Do it your own way, and you can't find a professional.