Simple and inexpensive yet remarkably effective and too, Terra&';s Deluxe Wing Burner Tool Sets are constructed from sturdy solid brass, and will prove great for creating a variety of differently sized and ultra lifelike shellbacks and wingcases on your favorite 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 four differently sized burners, and detailed user instructions.