Find out how keys and locks work, and why only one key fits.
Watch how it’s done.
Task length: 10mins
ALTERNATIVE: If you already know how locks work, look up another common day machine that you don’t know how it works, and watch that process.
Watch how it’s done.
ALTERNATIVE: If you already know how locks work, look up another common day machine that you don’t know how it works, and watch that process.