To distinguish keys on a keyring that are similar, paint each with a different color of fingernail polish.
By rda1 from Pleasant Grove, UT
For choosing the right key in the dark, my husband filed grooves into some keys which were very similar to others on our keyrings.
I used to work at a hardware store which actually cut keys in a great selection of colours too. Very handy and bright! (12/04/2007)
By jojo
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