With the EUCNO stropping wheel knife sharpener you can make dull knives razor sharp in a matter of minutes.  If you are sharpening your kitchen knives make sure to tell your wife and the kids that they have to be extra careful so they don't cut themselves.  It uses the same principle as the razor strop the barber uses to sharpen his razor so that it gives the customer a great shave.  Mount the knife sharpener on your bend grinder or use on your wood lathe if you have one.  Load some of the polishing compound on the wheel and then holding the knife blade tangent to the rotating wooden disc slowing drag the knife across the spinning wood disc.  Hold the knife at a shallow angle so the existing knife edge is polished.  It only takes about two or three passes and you have a very sharp blade! Take a look at the movie on YouTube by searching for "eucno knife sharpener" for an instructional video.