How to Open a Master Lock Without Breaking it

Learning how to pick a master lock without breaking it is a time and money saving skill that can be learned relatively quickly. Master locks are the most widely used padlock because they are opened with a combination instead of a key. Many people use them because remembering where a lock key is can be a challenge. However, master locks are highly effective until the individual cannot remember the code. There are numerous methods for successfully picking a master lock without breaking it.

Step 1

Open the bobby pin or paperclip to a 45-degree angle. Place the pin or paperclip into the left side of the top loop in the master lock. This is the portion of the lock that will open once the inside spring has been disengaged.

Step 2

Slide another bobby pin or paperclip around in the master lock in order to disengage the spring from the lock. A popping noise will be heard when the master lock spring disengages and the lock will pop open. Using a bobby pin or a paperclip is a quick way to pick a master lock without breaking it.

Step 3

Create a thin shim out of an aluminum can as an alternate method for picking a master lock. Cut a portion of the aluminum can off with a pair of scissors. Draw a teardrop shape on the aluminum that is about the same size and shape as a guitar pick.

Step 4

Use the scissors to cut out the homemade shim. Place the rounded portion of the shim downward on along the inside of the hook clasp on the right side of the lock. Push both of the shim sides around the clasp and to push the shim down into the lock.

Step 5

Continue to push the shim down into the lock until it separates the hook clasp from the internal lock. Pull the clasp away from the lock in order to open the master lock. The master lock has successfully been picked without breaking the lock.