Lock bumping is a lock picking technique for opening a pin tumbler lock. Lock bumping is a lock picking technique for opening a pin tumbler lock. Thanks to all authors for creating a page that has been read 690,462 times. I am a former thief, but I'm now a lock smith. * It’s either they’re afraid of giving you the information upfront or they just want to inject more fanfare to it than necessary. % of people told us that this article helped them. You see, the pin stacks in a pin and tumbler lock are spring loaded to keep the cylinder in place so that it can only be turned with the right key. Bump keys are usually associated with lockpicking and burglary, but this how-to is strictly for legal purposes. Be careful of your key getting jammed in the lock. They have sets on Amazon and many online dealers. Lock bumping is when a bump key is used to align the pins of a common cylinder lock. This was a quick and easy solution for professional locksmiths back then, and was mainly used as a method to un… Be careful not to carve the grooves lower than the track, the indented line in the key. GOOD PRICE!!! By using this service, some information may be shared with YouTube. To lower your risk of jamming, sand your bump key so it has few rough parts and use harder metals. So if you do hand out keys to to your babysitter or your dog walker when they give that key back to you you know that they haven’t made a copy of it and your home stays secure. This article has been viewed 690,462 times. Bump keys can be made at home with standard household tools. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/fe\/Make-a-Bump-Key-Step-1-Version-2.jpg\/v4-460px-Make-a-Bump-Key-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/f\/fe\/Make-a-Bump-Key-Step-1-Version-2.jpg\/aid367014-v4-728px-Make-a-Bump-Key-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"