Custom Vinegar and Mustard Patina on a Bushcraft Knife

Another Custom Knife Series! I just love customizing knives. I wanted to try some new techniques and make a handle with my new Black Walnut Burl boards. So here is the first episode; Prepping the blade with a patina. The blade I am using is a carbon steel blade from Karesuando Kniven: http://www.karesuandokniven.com/