This is a beautiful looking brass container with a smooth moving dial. The method is based on the earlier Yot but The Vault makes a lot more sense. It is less like a puzzle, more versatile, more perplexing, and looks and feels so much better. The original idea is apparently in The Sphinx, but I was unable to track it down.
The secret is simple when you know with nothing added or taken away. The instructions provide four different ways to open the vault and you’ll find one or more that will fit your performance style.
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