“Tuff Toe helps trail foot curling shoes last twice as long. The application process is easy and takes me under half an hour.” Anthony runs Lakeside Curling inside the Duluth Curling Club in Minnesota. This isn’t just any curling club. The Duluth club is 127 years old and several olympic curlers from the recent U.S. gold medal winning team are part of it. Some of the best curling in the nation is here.