Keys !free!

Before the age of Amazon and big-box hardware stores, the locksmith was a revered tradesperson. A good locksmith was part machinist, part detective, and part wizard. They could look at a broken key fragment and recreate the entire original from memory. They could "impression" a lock—inserting a blank key, turning it under tension, and reading the microscopic marks left by the pins to file the perfect key by hand.

Why does losing a key trigger such visceral panic? The object itself is cheap—a blank key costs less than a dollar. Yet, the it represents is priceless. Before the age of Amazon and big-box hardware

What’s the strangest key on your ring right now? Tell me in the comments below. turning it under tension