Scraping and Blades Videos and Tutorials: Demo from our friends over at Real Antique Wood Mill: Sharpening Hook Blades (pt 1): Watch and learn how to re-hook and re-sharpen your hook blades using your bench grinder and our Hook Blade Machine.. Sharpening Hook Blades (pt 2): Sharpen the Hooked Blade using Mill File: Demo from iscrapefloors.com