Lock picking is the art of unlocking a lock without the original key. It can be done with a variety of tools, including hairpins. Hairpins are a good choice for lock picking because they are thin and strong, and they can be easily bent into the shape needed to pick a lock.
Lock picking is a skill that can be learned by anyone with enough patience and practice. There are many resources available online and in libraries that can teach you how to pick locks. However, it is important to note that lock picking is illegal in many places, so be sure to check your local laws before attempting to pick a lock.