[Tax-chick]

I knew it was a bottle opener - I was just being deliberately obtuse. I remember, barely, when you needed a special doohickey to open drink cans.

[NicknamedBob]

I needed a church key one day in an airport lounge.

I improvised with a sharp metal attachment on the bottom of the table. I was determined to not be kept from my beer.

[sionnsar]

They opened other things too. Like a can of beans on one campout...