Japanese chefs believe our soul goes into our knives once we start using them – Masaharu Morimoto. So today, to take care of these soulful tools that we so lovingly buy after much research and sometimes after leaving a big gaping hole in the pocket, Doug is giving us all a few very useful instructions on essential knife maintenance. Doug blogs at The Kitchen Professor, and while his degree is honorary (bestowed upon him by his wife), he has enjoyed cooking his whole life. He loves using old cast iron, BBQ,and loves adding the small, special touch to a recipe …