If this contraption is unfamiliar to you, it's called a honing rod, and it's not too hard to use. In fact, making a habit of honing your kitchen knives is not only easy, it's also a wise safety move.
You can fix these small issues by honing your knives regularly with a honing rod or similar. Honing is a process that re-straightens the edge of your knife, bringing it back to sharpness without ...