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Re:Tourist's lucky guess cracks safe code on first try by stinos on Thursday June 27, 2019 @11:27AM (#20295258)
Some of these 3-digit locks are so simple/bad one can actually just see the open slot on each ring. After which you just have to align them. If that fails, some of them have just enough space so you can put something thin (like a needle with a bent end) and can feel where the slot is. Usually faster than brute forcing.
Re:Tourist's lucky guess cracks safe code on first try by toss1 on Thursday June 27, 2019 @12:01PM (#20295639)
We used to do this for amusement with each other's 3-5 tumbler ski locks on the rides to races. It wasn't even brute force, just exploiting weaknesses in the manufacturing

The most useful trick was to put a bit of tension on the lock cable while turning the tunblers. Once we got a feel for it, we could often open unfamiliar locks almost as fast as if we had the combination, and didn't even have to look. You could just feel the gap slip into place.