This is the debut article for our new section: a classic Question and Answer. In every biweekly issue of Caldwell Sport What is the best way to sharpen rollerski pole tips? — Dave Sharp rollerski ferrules are essential to keep you training longer and prevent injury. At Gear West we recommend the Edgecrafter Diamond Sharpener. The tool is substantial enough to give your ferrules a great sharp tip, but also small enough to take...