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The Slack-Leader Cast

by Lefty Kreh
photos by Jay Nichols
Making a controlled soft cast is one of the best ways to achieve a drag-resistant presentation without losing accuracy.
Lefty Kreh Slack Cast

Begin with an elevated forward cast.

TO MAKE A GOOD slack-leader cast, I don’t advocate casting with high line speed and stopping the rod sharply to create a shock in order to put slack in the leader. When you shock the rod, it’s often hard to tell where the fly is going to go, and you are actually pulling some of the curves out of your line.

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I prefer to make a controlled soft cast with no shock. Begin with an elevated forward cast, apply power softly, and after the loop is formed, drop the rod tip to the surface of the water. This gentle cast is accurate and puts lots of slack in your leader and line. If a high-speed cast is made, the line recoils at the end, jumps back, and ruins the delivery. If you aim the forward cast high enough, this becomes a stack cast. The principles are the same, though you can make this cast without a low backcast.

The key is to stop and drop your rod tip gently to the water. The rod must be lowered immediately after the speed-up-and-stop. If not, the line held aloft by the rod tip will sag back, pulling the waves from the line.

Kreh Slack Cast

The higher the angle at which you stop, the more waves will develop in the front of the fly line and the leader.

Lefty Kreh Casting

The moment the rod speeds up and stops, begin dropping the rod.

Lefty Kreh Casting

Continue to lower the rod.

Lefty Kreh Casting

As the front of the line begins to fall, the rod tip should be close to the surface.

Lefty Kreh Casting

The front portion of the line and the leader are falling vertically.

Lefty Kreh Fly Casting

This causes the front of the line and the leader to fall in soft, desirable waves.

Lefty Kreh Fly Casting

The fly is falling vertically.

Lefty Kreh Fly Casting

This much slack in the front of the fly line and leader ensures a drag-free drift. There is a lot of slack in the line, but the fly has landed accurately.

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Lefty Kreh is the author of a number of books on fly fishing and photograph, includingFishing Knots and Fly Fishing in Saltwater. He has been given the prestigious "Lifetime Achievement Award" by the American Sportfishing Association, has been honored with the "Lifetime Contribution Award" by the North American Fly Tackle Trade Association, and is in the Freshwater Fishing Hall of Fame. Excerpted from Casting With Lefty Kreh (Stackpole Books, August 2008, 456 pages). Article Copyright © 2009 Lefty Kreh.
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  • Dogpaw

    Isn’t this the pile cast?