You probably remember the exact moment you were handed the key to your first car. Suddenly, your favorite haunts felt more ...

Car, home, mailbox, work, and like a half-dozen keys to Dad's house. Theoretically I only need two keys for Dad's house, but for some reason the locks and the keys have worn down in odd ways so ...

Unlike the venerable "purse hung from a car's choke knob causes damage to the automobile" legend, there is a bit of something to the caution against having too many keys on one's key fob.

Different sizes of keyboards have varying octaves, depending on how many total keys they have: 49 keys with four octaves; 61 keys with five octaves; 76 keys with six and a half octaves ...

I also have lockpicks in my work bag, because that's not enough keys. Too many! I need to remove some. I can't even remember what one or two of them are for. Fob for the 124. Key for the dumpster ...