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Spill Now on Instagram: "Number locks work by lining up a series of internal wheels or discs to a specific sequence that frees a small release bar inside the mechanism. When the correct code is entered, all of those wheels align perfectly, allowing the lock to open. Because these parts are mechanical, they can give off tiny feedback signals, like faint clicks, shifts in tension, or slight resistance changes—that trained professionals use to understand how the lock is responding. In legitimate fi