Making the Turkey TailFlintknapping with Jim Spears For years, everyone has long wished Jim Spears would make a video tape. A few summers ago, he did just that. For his first tape, Jim chose to demonstrate how to make a Turkey Tail blade (8" long and thin!) from a large nodule of blue/black Indiana Hornstone. This is one of Jim's most popular points. He carefully takes you step by step through his methods of ABO knapping these beautiful blades. 1 hour and 16 minutes ? These are the tools plus a large dolomite hammer stone that Jim used to make this 8" Turkey Tail.