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How to Attach a Leader to a Fly Line

Published in Fly Fishing Rigging 3 mins read

Attaching a leader to your fly line is a fundamental step in setting up your fly fishing rig. One of the most popular and reliable methods for doing this is the loop to loop connection. This technique creates a strong, flexible link that allows for easy changing of leaders.

Understanding the Loop to Loop Connection

The loop to loop method involves creating a small loop at the end of your fly line and a corresponding loop at the butt section (thicker end) of your leader. These two loops are then connected in a way that resembles a "handshake".

According to the reference, when properly executed, "Basically. And so you've got a perfect square knot look in handshake loop to loop connection." This "square knot look" is a visual indicator of a correctly seated connection.

Why Choose Loop to Loop?

  • Ease of Use: Quickly attach or detach leaders.
  • Strength: Creates a strong, direct link.
  • Versatility: Compatible with most modern fly lines and leaders that feature welded loops or can have a loop added.

Steps for the Handshake Loop to Loop Connection

Here's how to perform this simple yet effective connection:

  1. Ensure You Have Loops: Your fly line should have a welded loop at the end. Your leader should also have a loop at its butt section. If either is missing, you'll need to create one using appropriate knots (like a perfection loop on the leader or a nail knot with a loop on the fly line if it doesn't have a welded loop).
  2. Pass Leader Through Fly Line Loop: Take the looped end of your leader and pass the entire leader (including the tippet and any flies) through the loop on the end of your fly line. Pull a sufficient amount of the leader through, maybe a foot or two.
  3. Pass Fly Line Through Leader Loop: Now, take the looped end of your fly line and pass the entire fly line (the rest of it attached to your reel) through the loop you've created on the leader.
  4. Tighten the Connection: Pull both the fly line and the leader simultaneously. The two loops will slide together and "handshake," tightening to form a secure, low-profile connection. As the reference notes, when done correctly, this connection will have a "perfect square knot look."

Once the connection is made, you can focus on preparing the rest of your leader and tippet for fishing.

This loop-to-loop method is favored by many anglers for its speed, reliability, and the ability to change leaders quickly depending on fishing conditions or technique.

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