Tie-Fast Knot Tyer

The Tie-Fast Knot Tyer is a handy tool for tying a Nail Knot on a fly line. This knot can be used to attach backing to a fly line and a leader to a fly line. The inexpensive tool which is called a Tie-Fast Knot Tyer makes short work of tying the Nail Knot. Instructions do come with the tool explaining how to use it.