How Much Backing Do You Need on a Fly Reel?
Setting up your Fly Rod - Line, Backing & Leader
What is fly line BACKING and how to use it.
Why Fly Line Backing Matters – Cortland Line Company
Dacron Backing Scientific Anglers
HERCULES Braided Fly Fishing Line Backing with Long-lasting Color – Hercules Fishing Tackle
FISHING KNOTS - Fly Line to Backing Knot
Specialty Colored Dacron Backing
Rio Fly Line Backing Dacron, 200yd Fly Fishing Backing Line, 20lb Size, Chartreuse Color : Sports & Outdoors