AW Extra 8/16/12 - Sharpening Jig for Jointer and Planer Blades | Popular Woodworking
Planer Knife Sharpening Jig by Al B Thayer -- Homemade planer knife sharpening jig constructed from alum… | Knife sharpening jig, Knife sharpening, Global knife set
Planer/Jointer Blades Sharpening - How to Sharpen Planer Knives with Sandpaper - YouTube