Video: Del Corsi demonstrates his knife sharpening techniquePhotography, Podcasts, & VideosSharpening & Restoration·1 Comment· Hey everyone, there is a month-worth of black-holed posts from before we relaunched the website last week. This was one of them. Knife Magazine Staff Correspondent and Canadian Knifemaker Del Corsi sent us this video of his belt grinder sharpening technique. Del did a great job with this one, and KNIFE Mag Graphic Artist Katie C. was a wizard with cleaning it up and making it look and sound good. I couldn’t neglect to port this one over.