Cinch Tie&trade; Knot Tyer (ACCKTC) Sturdy brass tool, ideal for tying several popular fly fishing knots Complete knot tying instructions included Easily ties: Blood Shell Knot; Bobber Knot 1 & 2; Clinch Knot; Double Clinch Knot; Grip Knot; Nail Knot; Surgeons Knot and many more! Made in the US