You've probably used a nail clipper hundreds of times. Maybe you've even noticed that tiny hole on one of the handles—usually on the bottom or sometimes on the lever. You may have assumed it was just a random design quirk, a leftover from manufacturing, or simply decorative.
As it turns out, that little hole isn't an accident. It has a surprisingly clever purpose—and once you know it, you'll never look at your nail clipper the same way again.
