You Need a Good Trigger Finger

by | Oct 21, 2018 | 5 comments

Fly casting has a lot of moving parts. Two sets each of arms, wrists, hands and fingers all working together to flex the rod and propel the line with flies to the target. There’s a lot going on. And it can feel overwhelming — like sitting behind a full drum kit for the first time and realizing that all four limbs have a responsibility to do independent things.

So it takes a while to get those parts working together in concert. But anglers and musicians alike need only understand the basics and then put in the playing time. Given enough practice, good things will follow.

I’ve noticed that the most overlooked aspect of those moving parts is the trigger finger. I meet good anglers with all manner of bad (inefficient) habits that hold them back. But the trigger finger issue is easily solved, because there’s not much variation to its job.

In fly casting, all movement of the line should come through the trigger finger . . . with limited exception.

Index or middle?

Does it matter which finger is the trigger? No. It doesn’t. I prefer to hold the rod with my index on top, so my middle finger becomes the trigger. Many anglers prefer the more common method of thumb on top of the cork, and they use the index finger as the trigger.

Either grip works, and the principles for the trigger finger are the same. But whatever rod grip you choose, the trigger finger has a job to do.

READ: Troutbitten | Thumb On Top — Finger On Top

Index on top

Thumb on top

Trap it

Take a look at the line. Following it down from from the rod tip, the line should come through the shooting guide (the closest one — the larger one) and underneath your trigger finger. That’s the default position. That’s the position the line should be in most of the time.

Trap the line against the rod cork, and keep it there until you are either retrieving line or shooting line. Then simply lift the trigger finger and allow the line to pass through.

I meet a lot of anglers who don’t do this. Instead, their line goes from the shooting guide and straight to the line hand. It’s a fundamentally bad habit and a recipe for disaster.

Why?

When the line is under the trigger finger, it’s ready for a hook set. A trout strikes and the trigger finger traps. There’s no slack. The set is solid. Fish on.

If instead the line passes from the shooting guide to the line hand, there’s way more slack in the system. Even without any apparent slack drooping from hand to guide, that extra line must come tight before the hook is driven home. A small difference? Sure it is, but everything matters.

But here’s the most consequential reason for using the trigger —  it’s impossible to strip line without using the trigger finger. You can pull back with the line hand, but without the trigger finger to trap the line, you can’t let go and re-grasp further up for the next strip. This is severely limiting. We need to strip line for a few very important reasons:

— To recover slack during a dead drift.

— To animate a fly with strips (like a streamer).

— To maintain contact after a hook set. (Many hooked fish swim toward the angler for a few moments, and stripping line quickly is the only way to stay tight.)

This is NOT good.

Shoot and then hand off

Shooting line is another time when the trigger finger comes into play.

While shooting line through the guides, the trigger finger can lift up after the power stroke and allow the line to pass through. Short lengths of line can be shot right through the lifted trigger finger. (I do with with about two feet or less.)

If you want to shoot long lengths of line that sail to the target, it’s best to release the line from underneath the trigger finger completely, and allow the line to pass straight through to the shooting guide. Immediately after the cast though, the line hand should grab the line somewhere behind the shooting guide and give it back to the trigger finger.

After the hand off, the trigger finger is again in full control of the line through the drift. It lifts and closes in concert with the line hand to retrieve while stripping a streamer — like the high-hat on the back beat of a four count. Or it lifts to slowly recover slack on a dry fly drift — like swirling brushes on a snare drum.

The trigger finger becomes intuitive if you train it in the basics from the beginning. And it can never be neglected.

Fish hard, friends.

 

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Enjoy the day.
Domenick Swentosky
T R O U T B I T T E N
domenick@troutbitten.com

 

 

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Domenick Swentosky

Central Pennsylvania

Hi. I’m a father of two young boys, a husband, author, fly fishing guide and a musician. I fish for wild brown trout in the cool limestone waters of Central Pennsylvania year round. This is my home, and I love it. Friends. Family. And the river.

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5 Comments

  1. “Keep it on the reel” is a way of life here in Alaska. You’ll get line cuts on your finger/palms/wrist you’re not likely to forget. When i fish Tenkara i have to repeated tell myself to point the rod to the sky and let the 5x tippet break ( it generally does before the tip breaks !) If you point towards the fish … you’ll never get the pull apart ferrel unstuck. Still … nice to have these problems (8->}. Keep the articles coming … i honor the light that shines within you.

    Reply
  2. That “finger on top” photo looks just like the Gary Borger “3-Point” grip.

    The bio-mechanics of the finger on top/3-point grip prevents the over bending the wrist on the back cast – a classic beginner mistake that moves the rod tip well past the 1 (or 2) o’clock position. When using the thumb on top, one has to rely an highly trained muscle memory instead of relying on built-in hand/wrist mechanics.

    Reply
  3. Ah…by any chance are you a drummer when not fishing? Tight line and grooves , Paul

    Reply
  4. G’Day,
    I usually grip my fly rod with index finger on top. I started doing this after injuring and reinjuring my right thumb a few times while working. I found that it seemed to improve my casting a lot and less strain on the thumb. I’ll still use the thumb on top grip if I’m doing short rod length roll casts when I’m fishing small/tiny creeks. I wondered, too, about you being a drummer. A fine article as always.Cheers,
    Steve.

    Reply

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Domenick Swentosky

Central Pennsylvania

Hi. I’m a father of two young boys, a husband, author, fly fishing guide and a musician. I fish for wild brown trout in the cool limestone waters of Central Pennsylvania year round. This is my home, and I love it. Friends. Family. And the river.

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