Conclusion. A pull-through knife sharpener is easy to use and definitely a good option for those who want sharp knives, if convenience and speed are a high priority with sharpening. The true ‘razor edge freaks’ will have to take a look Japanese water stones. These enable you to put the ultimate razor edge on any blade.
How many times should you pull a knife through a sharpener?
Pull the knife through the course slot of the sharpener, from the heel to the tip, using even pressure, three to six times (pull through more times for more dull or damaged knives).