When you realize a key broke inside a lock, all is not lost. The best immediate step is to avoid forcing the lock and focus on gentle removal using the right tools. Extra pressure can push the key ...

Explore the mechanics of the Pin Tumbler Lock, the most common type of lock. This video covers the following topics: - Parts of a Pin Tumbler Lock (00:42) - How to insert keys (01:22) - The concept of ...

If you buy something from a Verge link, Vox Media may earn a commission. See our ethics statement. Jennifer Pattison Tuohy is a smart home reporter who’s been testing connected gadgets since 2013.