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Lucky Key Method

Even if you don't have the right key, similar keys you already own may get you in more often than you'd expect. First check which keys slide into the lock at all — then try a little luck and moderate skill.

Don't force a tryout key into the lock — you can break it off inside the keyway. Key bow (the part you hold on to) shapes are similar for compatible keyways - a round key bow on the old key rarely has the same keyway as a square key bow, so look for the same general shape on other keys to try out. Once you find a keyway match and the tryout key slides into the lock, there are two motions to try: rapidly jiggle the key up and down while keeping light turning pressure or rapidly rake it in and out with the same light turning pressure.

Jiggling is a no-cost method and should be one of the first things you try when you discover you are locked out — often even before hunting for open windows. Grandpa TJ keeps a big keyring of old keys for try-outs. - Grandpa TJ -

How-to videos

Jiggle keys (same basic method)

This video shows the same basic jiggle method using locksmith jiggle keys on deadbolts. Try no more than about a minute per key — in the video each lock opened in roughly 20–30 seconds.

Thanks to Jolly Peanut for the YouTube video.

Watch on YouTube

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