Fly Fishing Knots - Nail Knot
Tying the Nail KnotThis knot is commonly used for tying fly line to backing line.
1 - Lay the fly line, tube and backing together as shown. Leave plenty of backing for wrapping.
2 - Hold firmly and wind the backing around itself with the fly line and tube.
3 - Hold the turns in place and push the end of the backing though the tube.