How to crack a Dudley dial combination lock

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I've seen so much information about how to crack a Master lock, but that's not much use to us up here in Canada where Dudley reigns supreme. This video also seems to confirm what I suspected from my own failed attempts at applying non-Dudley techniques against a Dudley lock - you seemingly cannot shim them. I guess in that regard at least they're better then the Master locks as shimming is a technique I've frequently heard mentioned for quickly opening a Master lock.