How to tie better knots for trout fishing?

Best Fishing Knots Every Angler Should Know - Wired2Fish

8 Essential Fly Fishing Knots (and How to Tie Them) - Island Fisherman Magazine

Harvey Dry Fly Knot - How to tie the George Harvey Dry Fly Knot

How To Tie The #1 Fishing Knot For Artificial Lures

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

Video Pro Tips: How to Tie a Blood Knot - Orvis News

How To Tie Good Quality High Strength Fishing Knots That Won't Break

Keeping it Simple: The Best Fly Fishing Knots - Fly Fisherman

tying a leader off 50%