Razor Edge Systems is the inventor of history’s first sharpening guide. Don’t be fooled by any imitations. This patented guide gives you the position and precision control you need for the absolute ultimate edge every time you sharpen. The guides are built for years of service in the kitchen, shop or field. There is just no comparison between the results you get when using the Cub guide and sharpening free-handed as you will see. The Cub Guide has been a critical component to winning numerous beard shaving contests over the years. Complete instructions included with each guide. Perfect for pocket knives and paring knives.