Watch as a DIYer tests the sharpest nail cutting blade for results. New presidential election polls released in Michigan, ...

Chefs typically use a whetstone for sharpening but there are plenty more options out there: Manual and electric knife sharpeners shave your blade down for an aligned, sharp edge to cut and slice.

It can, however, make a world of difference in your cooking ... you extend the longevity of your investments and keep a blade edge sharp for years. The good news is a kitchen knife sharpener ...