Most homeowners have to sift through maybe half a dozen keys to unlock a door. My friend, Ed, has over 100 keys for the facility he maintains. He needed a way to make key searches manageable. This did the trick.
If you are interested, please see
https://rick.sparber.org/MonsterKeyRing.pdf
Your comments are welcome. All of us are smarter than any one of us.
Thanks,
Rick
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