You can consider using common tools for unlocking the door knob in the absence of an original key. Some basic tools require for unlocking lock include torsion wrench tool Allen wrench tool, long narrow z shape metal wire, wedge system, etc. Constructively opening up of door lock is considered as the safest method in which damage extent to the lock is considered as negligible. Locksmiths mainly apply lock pick operation during emergencies. In case if the constructive method didn’t work well and also it is necessary to open the door, in this situation locksmith applies strategy in the form of destructive entry sequence. In the destructive entry method locksmith apply some hard strokes to the lock for dismantling it. The use of explosives occurs in a rare sense. Locksmith Smyrna is best in picking both mechanical and electronic specification-based smart locking systems. With a simple phone call, you will be able to hire them.