You’re Probably Using a Dull Knife. Here’s How to Test Sharpness Safely

It may seem counterintuitive at first, but using a dull blade is actually more dangerous than using a knife with a sharpened blade. The reason for this is that a dull blade is more likely to slip off the surface you are attempting to cut, instead of biting into it directly. When the blade slips, it can slice into your finger, even if it's dull.

To reduce the risk of accidents, you can use safe knife sharpness tests to determine if your blade is properly sharpened before using it. If the...