Fly Line Loop-to-Loop: Not All Are Equal - Casting Across

Flyshop NZ Ltd: Fly Lines Explained

8 Fly Fishing Knots For Beginners And How To Tie Them - The Fly Crate

5 problems with fly line design and the broken AFTM system. - Sunray Fly Fish

Fly Fishing 101–The Basics

Best Fly Fishing Knots You Should Know - Fly Fisherman

Fly Fishing Knots, Loops, And Connections

Making loops, Global FlyFisher

Forming the D-loop in a Spey Cast

Best Fly Fishing Knots You Should Know - Fly Fisherman

Loop to loop is bad - Try attaching your leader to the fly line this way - Troutbitten