intermediate 86% strength

Perfection Loop

A clean fixed loop for leaders, fly line connections, and loop-to-loop rigging.

The 30-second pitch

The Perfection Loop looks like a magic trick until your hands learn it. Then it becomes the clean little loop at the end of everything. Leaders, sink tips, quick-change rigs - this is the tidy knot for anglers who like their connections to look like they meant it.

How to tie it

Video by The Orvis Company — full title: ORVIS - How to Use a Perfection Loop to Attach a Fly
Prefer another teacher? Try the alternate video tutorial on tightlinevideo .
  1. 1

    Form a small loop with the tag end crossing behind the standing line.

  2. 2

    Make a second loop in front of the first loop.

  3. 3

    Pass the tag end between the two loops.

  4. 4

    Fold the second loop through the first loop.

  5. 5

    Hold the standing line and tag, then pull the new loop to seat the knot.

  6. 6

    Trim the tag close once the loop is aligned.

As shown in the video

Products visible in the tutorial

These are the items the demonstrator uses on screen. Affiliate links where we have a match in our catalog.

leader
Tapered fly fishing leader
Perfection loop sits at the butt end
line
Fly line with welded loop
For loop-to-loop connection

When to use it

  • Leader butt sections and loop-to-loop fly line connections.
  • Pre-rigged leaders you want to swap quickly on the water.
  • Sink-tip or floating-line systems where a neat loop matters.
  • Avoid it for direct hook connections. It is a loop connector, not a terminal workhorse.

Common screw-ups

  • Losing track of which loop is the final loop.
  • Pulling the tag before the loop is folded through.
  • Making the loop too small for easy loop-to-loop changes.

Rigs that use this knot

Alternatives

What to tie it with

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