While there are lots of knife sharpeners on the market to save you from such a fate, sharpening stones have been used for millennia with the earliest proof of them being used dating back 3.3m years.

There are plenty of pocketknife enthusiasts in the world, but not nearly as many knife sharpening enthusiasts. This means ...

While it does take a little practice and patience to get the hang of it, the Lansky 4 Stone Diamond Deluxe Sharpening System works amazingly well. As it should, given how long it has been around.