Best Spey Running Line Shootout; Buyers Guide - FlyTramp
Controlling Running Line – Swing the Fly
Demystifying Spey Part 3: Shooting/Running Lines — River Salt
Loop to loop is bad - Try attaching your leader to the fly line
Tropical Saltwater Fly Line Shootout & Buyer's Guide - Trident Fly
Whistler Flyfishing: Rigging Mono running line with Shooting head
Running Lines – Steelheader's Journal
Skagit Casting: Basic Tips, Techniques and Gear - Flylords Mag
How to Choose the Right Floating Fly Line - Blue Ribbon Flies