... Your Knives Like In Seconds! Use Samurai Pro to sharpen your knives, shears and cutting tools. Why purchase ... knives like new again ? Now you can with the Samurai Pro Knife Sharpener by Robert Irvine the celebrity chef of the ... lock it down anywhere– horizontally, vertically, even upside down. Samurai Pro Knife Sharpener can sharpen all knives, even serrated and shears.