Meet Håkan Nordbäck, head of the Madshus grinding department. While the geometry, flex, camber and materials that make up the construction of the ski are the most important factors determining the glide and properties of ski, grinds and structures contribute significantly to enhancing the speed of the ski, along with glide wax and topping products. Now that both the International Ski Federation (FIS) and the International Biathlon Union (IBU) are banning all fluorocarbon-based ski wax...