A quick way to differentiate the keys on your keychain is to use nail polish to colour code them.

THE CREATIVE SOLUTION | Do you have keys on your keychain with bows (the handles used to turn the keys) so similar that you continually confuse one key for another, an activity that wastes time and causes frustration? You could use plastic key caps to distinguish important keys, but key caps are bulky, often fit poorly and don’t last all that long. Another less obtrusive way to differentiate your keys would be to use nail polish to colour code them. Read more