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9 of the craziest things made of wood

By: Shea Gunther on Nov. 22, 2010, 12:44 p.m.
combination lock made of wood

Photo: YouTube

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Combination lock

22 left, 42 right, 13 left. Most of us had our first experience with combination locks in high school with lockers. Those locks were made from metal — the better to keep out unwanted visitors. Matthias Wandel took another tack and built his lock using wood. You wouldn't want to use his lock to protect your valuables, but it's great for understanding how a combo lock actually works.