The 5 best double nymph rigs Hatch Magazine - Fly Fishing, etc.
If your goal is to catch a fish — a lot of fish — on a fly rod, the double-nymph rig should be your go-to setup.
How and Why to Fish A Two-Fly Nymph Rig - Fly Fisherman
Nymphing Rigs for Fly Fishing - Success Starts Here
Keep a Backup Nymph Rig Ready - Fly Fishing
Everything in between Hatch Magazine - Fly Fishing, etc.
Choosing Flies for Tandem Nymph Rigs - Fly Fishing
Fly Fishing in the Winter - The Go-To Nymphing Rig - Troutbitten
The Double Fly Rig, Catch 2x More Fish Whether you are using
Getting into the swing of things Hatch Magazine - Fly Fishing, etc.
The Two Fly Setup The Fly Fishing Basics
Learn to Fly Fish: How to Fish a Double-Nymph Rig
Guide Tactics for Tough Trout: Nymphing - On The Water
Does fly pattern matter? Hatch Magazine - Fly Fishing, etc.