Have you ever used a metal file before? I bet you have. Did you know there is a certain way to use one? Do you know how to clean one? How about sharpen or repair? Me either to be honest but recently I found a great guide on all of these things and more. Put this is your eyeballs. It’s the Nicholson Guide to File and Filing. It’s a great source for all things pertaining to files. Check it out, and if not now, at least download it and refer back to it later. It’s a handy PDF. While you are marveling at how useful the guide is, check out the Nicholson website. They are one of the oldest and well known file makers and worth a look around.