Leverage of the fly-rod to achieve greater movement and rod-tip speed

HANDING Magic L Fishing Rod, Fuji O+A Ring Guides, 2

Inshore Speed Stick Rod

Fishing Rod Selection - Power and Action — Joel Nelson Outdoors

Tenkara Rod Flex

Length, Power, Action! – Salmon & Steelhead Journal

Two Handed Casting

Choosing the Right Gear for Fly Fishing – Simple Fishing

Fishing Rods Explained - Action, Power and More - Wired2Fish

Trout Torque or Thoughts on playing fish

How To Setup A Fly Fishing Rod For Beginners - The Fly Crate