Check on both these...
2) Sharpen it by hand on ceramic or diamond "whetstones".
3) Use a ceramic specific home electric sharpener such as the Chef's Choice Model 700. These use diamond sharpening media which is necessary to cut the KNASA edge. We recommend a very light touch (i.e. don't grind off a lot of material).
Our testing shows dramatically extended sharpening intervals, which will, of course, vary from user to user depending on factors specific to your use and the quality and type of your steel knives.
2) Sharpen it by hand on ceramic or diamond "whetstones".
3) Use a ceramic specific home electric sharpener such as the Chef's Choice Model 700. These use diamond sharpening media which is necessary to cut the KNASA edge. We recommend a very light touch (i.e. don't grind off a lot of material).
Our testing shows dramatically extended sharpening intervals, which will, of course, vary from user to user depending on factors specific to your use and the quality and type of your steel knives.