In this video, I restore and sharpen a 12-inch (30cm) Nicholson hand smooth file using various methods and products. Opinion: Government shutdown showdown takes a new turn U.S. carries out second ...

Restoring and sharpening a quality 12inch (30cm) Nicholson hand smooth file. I tried chemical sharpening with ferric chloride and It definitely made it feel sharper. The line near te tang after the ...