Simple and inexpensive yet remarkably effective and too, Terra's Deluxe 3-piece Mayfly Dun Wing Burner Tool Set is constructed from sturdy solid brass, and will prove great for creating a variety of differently sized and ultra lifelike upright wings your favorite dry fly patterns. Simply place the desired feather or synthetic fabric sheeting of choice neatly inside the wing shaped tool jaws, apply the edges to flame, a voila! Tool set includes three differently sized burners, and detailed user instructions.