How to tie the Uni Knot knot

Also known as Duncan Loop, Grinner Knot.

A versatile, dependable knot for connecting line to terminal tackle. It cinches down neatly and forms the building block for the double uni line-to-line connection.

Best for

Tying mono, fluoro, or braid to hooks, swivels, and lures across nearly all saltwater situations, and a great all-around knot to master first.

Strength

Strong, around 85 to 90 percent of line strength

Difficulty

easy

Tying the Uni Knot, step by step

  1. 1Pass the tag end through the eye and double it back alongside the standing line.
  2. 2Form a loop by laying the tag end back over the doubled lines.
  3. 3Wrap the tag end through the loop and around both lines five to six times.
  4. 4Wet the knot and pull the tag end to snug up the coils.
  5. 5Slide the knot down to the eye by pulling the standing line, then trim the tag.
▶ Watch the Uni Knot tied on YouTube

Tips

  • Leave the knot a short distance from the eye if you want a small amount of loop play, or slide it tight for a fixed connection.
  • Use six or more wraps for braid and about five for mono or fluoro.

Strengths

  • + Works with mono, fluoro, and braid
  • + Strong and easy to tie in the field

Watch out for

  • - Slightly bulkier than a clinch knot
  • - Can slip on braid if wraps are too few

Great for targeting

Used in

Related knots

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