If you buy something via one of our links, we may earn a commission. Did you know that dull knives are actually more dangerous than sharp ones? It's true! A dull knife requires more applied force ...

But cardboard is built from extremely abrasive materials that can quickly dull any knife ... say the profile of this knife is a little wider than some of the other pocket knives on this list.

Instead, you can just sharpen them. We found a pocket knife sharpener on sale that one reviewer says changed their blades from “butter knife dull” to “razor sharp” after one use ...

Dull knives make chopping ... With a little money out of pocket, a knife sharpener can extend the life of your knives, so frequent replacement can be avoided. No matter which way you slice ...