HOW TO USE KNIFE SHARPENER : Draw knife in the same direction with slightly downward head but not too much pressure. Do not pull the knife backward and forward. Easy to use tool made from good quality materials for quickly sharpening blunt knives right at home.
3-STEP KNIFE SHARPENING SYSTEM: Knife sharpener tool has middle (PREP) diamond sharpening slot repairs and straightens damaged blades. 1st (SHARPEN) slot sharpens to restore its V-shape. Finally, the 3rd (FINISH) slot fine tunes for a clean polish.