There are various methods to open a door lock without using the original lock key. You can use a credit card on a spring category of locks, it didn’t work well for the deadbolt category of locks. You can use a screwdriver and any narrow tool to unlock the door handle lock. You can pick the lock by using a torsion wrench tool, this method is successful on knob and lever handle locks. Unlocking a lock without using its original key is an art, not all are experts in doing so and this is the reason people hire locksmiths for that. Locksmith Delray Beach suggests a different strategy for unlocking a different kinds of locks. In the spring lock system,a credit card is used as a narrow passage for making changes within the lock latch fixed within the door pillar. For the knob lock category, you need some narrow tools like Allen wrench and torsion wrench for bypass.