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post #21 of 26 Old 09-16-2008
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I like those locks, I don't have to worry about losing the key! I was sitting on the back of a guy's truck a while back playing with one of those locks. I handed it to him open. He said he must of left it open. I closed it and spun the dials, then proceeded to open it again with the lock behind my back, in about 1 minute. I can do the same with nearly any brand of that style of dial lock.
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post #22 of 26 Old 09-16-2008
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I like those locks, I don't have to worry about losing the key! I was sitting on the back of a guy's truck a while back playing with one of those locks. I handed it to him open. He said he must of left it open. I closed it and spun the dials, then proceeded to open it again with the lock behind my back, in about 1 minute. I can do the same with nearly any brand of that style of dial lock.
How did you do it?
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post #23 of 26 Old 09-16-2008
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I wish I knew about this before drilling out the rivets in my lift control box. I bought the lift used and it came with a combination lock. The owner couldn't remember the combo so we ended up having to drill it.

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post #24 of 26 Old 09-17-2008
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What about the round key type locks? I've been under the impression they are more difficult to pick.
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post #25 of 26 Old 09-17-2008
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The issue isn't the key type but rather the shackle lock mechanism. Most (if not all) locks use the same type of catch and are vulnerable.

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post #26 of 26 Old 09-17-2008
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How did you do it?
It's very simple. All of these multiple dial locks have the same weakness. They are not machined accurately enough, so the cams don't share the load. If you pull hard on the shackle it will load one cam more than the rest. You can feel that one is harder to turn than the others. When that one is lined up it gets a little looser, and one of the others will get harder to turn. You then turn that one until it gets looser, and on to the rest.

I learned how to do this as a kid on a 7 hour trip to Vermont skiing. I was bored and worked on my cable lock until I could open it easily, then my sisters, dad's, and mom's lock. After that I could open them so fast you'd swear I knew the combination!

The old dial type are much harder to crack, but I have had luck with some of the cheap ones. If there is any drag it give you a hint where the cams are.
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