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Fly fisher's knots


Illustrations of the best knots for your flylines, leaders and tippets



Martin Joergensen

A test in the print magazine Fly Fisherman showed the Trilene and the Orvis knot to be equally strong and on top of that said that they were able to maintain 100% of the line strength. I really have my doubt if that will hold for all types and thicknesses of line, but still it does prove that these could be the knots of choice for the concerned fly fisher.

 Links
Read the intro to the knot section
About setting up reel, backing and line
About tying your own leaders
I personally prefer knots that pass the line through the eye twice - like the Trilene and the Palomar knot. My favorite loop knot is the Surgeons loop which is easy to tie and has served me well. If I need a guiding knot, I tie the Mörrum Guiding knot.

Fly attachment knots
Palomar knot
A knot that is easy to tie and has a good breaking strength of over 90%. It can be difficult passing the line twice through the hook eye, but pass the tag end though one way first and then back. Then make the loop as small as possible and pass it over the hook. Tighten by first pulling both ends - then the tag end alone.

Palomar knot

Surgeons loop
A loop which can be used to tie on small flies or flies that need to work on the leader. The knot is strong, but the open loop is a bit fragile where the fly wears it, so the knot ought to be inspected and retied regularly. Make sure you do not tie the loop too large as it and the knot has a tendency to grab any material on the fly and lock. This will often lead to a fly swimming backwards...

Surgeons loop

Duncan loop
The classical loop for flies that need to work freely on the tippet. Fairly easy to tie and can be tightned according to taste.

Figure 8 loop

Orvis knot
Can form a loop that tightens when under strain. Its strength almost compares to the Trilene knot with a 95% avarage.

Orvis knot

Figure 8 loop
An easy-to-tie loop that leaves the line and eye in a straight line. It is a bit difficult to tighten in a manner that results in a small loop. A too large loop will often catch the fly or some material and leave the fly fishing sideways or backwards. The figure 8 loop is also great for making loops on leader butts and tips and good to use on tippets if you want a loop-to-loop connection between tippet and leader.

Figure 8 loop

Trilene knot
The breaking strength is very high for this knot; very close to 100% for some lines and diameters and almost always above 90%. Do not cut the tag end too close. The knot has a tendency to untie itself after many casts.

Trilene knot

Mörrum Guiding knot
A guiding knot well suited for up or down eye flies on heavy tippets – especially salmon flies. The knot is easy to tie with a good breaking strength. Tighten the loop section first and then work it slowly to a position in under – and almost in – the hook eye.
The direction of the tippet will be at an angle to the eye, and hence the knot is no suitable for straight eyed hooks. On up- and down eye hooks on the other hand, the tippet will be parallel to the hook shank, and guide the fly nicely in the water.

Mörrum Guiding knot

Improved clinch knot (not recommended)
This is a very common knot, but even though it seems to look much like the Trilene knot, it's very weak in comparison. Down to 60% breaking strength in some cases. I do not recommend using it.

Improved clinch knot

Leader knots - mono to mono
Blood knot
A knot used to tie two monofilaments together, i.e. tippet to leader or two pieces of a knotted leader. The knot is a bit difficult to tie, but can be tied without tools with some practise. It is compact and has a high breaking strength and leaves the line absolutely straight. The number of turns can be varied, but 3-5 turns work well on most lines. Cut the tag ends very close to the knot.

Blood knot

Surgeon's knot
This knot is normally used to tie two monofilaments together, i.e. tippet to leader. The knot is fast and easy to tie and has a high breaking strength. It does require one side to pass through the loop and is more bulky than the Blood knot. It also leaves a small angle on the line. The number of turns can be varied, but two turns work best on most lines.

Surgeons knot

Leader knots - mono to fly line
Needle knot
An excellent knot for attaching the leader to the fly line. It yeilds a very neat, straight and strong transition between the monofilament leader and coated fly line.
It requires that you pass the mono through the core of the fly line by poking a hole with a needle. Cut the leader at an angle with a pair of scissors to make this process easier. Pull 10 centimeters or 4 inches of leader butt through core and out through a hole in the side of the fly line coating and tie the knot.
PS: I previously named this know a nail knot, which it's not. Sorry.
- Martin

Nail knot

Nailless nail knot
An fine knot for field attachment of a leader to the fly line. It is almost as straight and strong as the above nail knot, but can fail if the coating is pulled off the fly line core.
The advantage is that it does not require tools other than a line clipper. Lay the butt of the leader along the fly line with about 10 centimeters or 4 inches overlapping. Fold 3/4 of the tag end of the butt back towards the end of the fly line and fold it over and around the whole assembley in 4-6 tight loops close to the end of the fly line, working your way back towards the loop formed by the mono. Hold the loops tightly between your fingers. Pass the mono tag through the loop and moisten the whole knot before tightning the mono. Work the knot slowly together arranging the loops nicely. Tighten by pulling both ends of the mono. Do not pull the fly line before the knot is very tight! Trim the lines as close to the knot as possible and test with a firm pull in fly line and leader.

Nail knot

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User comments
From: Dick K. · catchatrout·at·gmail.com
Submitted August 19th 2008

Well, its funny to me that so many people seem to love the "nailless nail knot". There is a reason why this knot has been carried down from generations long ago...its a snell knot. And a snell knot is what was used by early fishermen before hooks had "eyes". The nailless knot is just a slight variation of the snell for tying lines together. Its probably one of the oldest and best knots ever.

But why are we all debating knot terminology, we should be out there fishing!

From: Robin rrhyne56 · rrhyne56·at·gmail.com
Submitted May 14th 2008

That nailless nail knot is quite handy! A few weeks ago I took my brand new bamboo rod out to fish for the first time. Stopped and bought a line on the way to meet my friends. Got there, took delivery of reel in the parking lot where we were embarking on our creek trip. I realized that I needed a loop in the end of the line in order to attach my furled leader. The nailless nail knot secured a thoroughly adequate loop that performed well all day and has since been enhanced with some Loon UV Wader Repair.

From: Dave · dave·at·lodelink.com
Submitted January 10th 2008

I have come at fly fishing from a long history of spinning and baitcasting for large freshwater fish. I have always used a Palomar knot, and I carried this into fly fishing. Every once in a while, I carefully tie a clinch knot to see if I should switch to this much easier knot. But, each time it breaks in my hands much easier (I don't even need a scale!). You are only using 60% of your tippet with a clinch knot. Switch from 4x to 6x, use a Palomar, (or other high strength knot) and get more bites!

From: jan johansen · jany·at·blueyonder.co.uk
Submitted October 1st 2007

HI Martin,
I use the needle knot on all my fly lines now for a couple of years, its far far the best way to present your lines thanks Jan

From: Martin Joergensen · martin·at·globalflyfisher.com
Submitted August 5th 2007

Justin,

The knot grips the fly line coating very firmly, and will "bite" into it. The only times these knots seem to fail is when the coating comes off the fly line too easily. I have never had one of these nailless nail knots fail on me (knock on wood!).

Martin

From: Justin
Submitted July 30th 2007

I don't understand how the nail knot is so strong. It seems like the whole knot could "slip" off the fly line. I realize it's time tested, but it just don't seem intuitive.

From: bill from SCOTLAND · billyyvonne·at·hotmail.co.uk
Submitted June 18th 2007

HI,i also have used the improved clinch knot for half a century, very seldom letting me down like C W(smallie)BOTTOM. I like to wrap at least 6 times round main line pass back through loop next to the eye then back through the loop above.wet this and pull on main line only gently to tighten,then when in place only then pull on the tag end firmly.REPEAT main line pull then tag end pull and dont trim off too close.I also always use this knot when worming and spinning for salmon and never and never encountered many problems.GOOD LUCK from BILL.

From: John · jvandervort·at·gmail.com
Submitted April 19th 2007

Yep, neither of the nail knots is really a nail knot.
www.killroys.com/knots/nail.htm

They look more like a noose tied in rope.

From: Clyde Stauffer · cstauffer·at·cinci.rr.com
Submitted February 6th 2007

Partly for Adrian, but also for general:

How about a loop to loop connection. That is what I have with all my lines and leaders (except those few where I won't be changing leaders). Various ways to put a fancy loop on the end of the fly line, but on a new line I just make an end loop, whip it (same idea as the nailless nail knot above) and coat it with some fly head cement. For leaders I tie a Perfection loop in the butt end of the leader (and work hard and slowly to get it tight :-). Maybe Martin would add an entry on the Perfection loop to the above.

From: Jymmy · jymmy80·at·yahoo.com
Submitted January 5th 2007

Orvis knot is the king. I'll never tie a clinch for fishing again. Look for the Ligature Knot for line-to-line connections, its just as good of an improvement over blood knots, and much easier to tie.

From: Tom Murphy · tom.castafly·at·gmail.com
Submitted January 1st 2007

If I might be so bold as to correct you on your knots. Your first leader to fly-line knot is in fact a needle knot. So called because a needle is used to first penetrate the end of the flyline. Your second knot is in fact a nail knot as a nail is used to take the wraps of nylon. The nail is then gently removed, the tag end is pushed through and the knot tightened. The nail can be used for both knots.

From: Nicolas Olano · nicolasolano·at·bellsouth.net
Submitted December 14th 2006

Duncan Loop is good, easy and effective, but once it clinches after a strike it has to be redone or you loose about 50% strenght.

From: adrian · hunter12·at·australiamail.com
Submitted September 18th 2006

Wish there was one for sinking lines and how to attach mono to sinking flylines when wetlineing rivers has anyone got any pic's, diagrams onhow it is done?

From: Graeme · ImpactG·at·new.co.za
Submitted September 5th 2006

The Morum Guiding Knot is the SAME as the Duncan Loop! - great Knot(s) though. Orvis knot does look interesting - hope its good on 6 and 7X tippet. (Will know tomorrow!)

From: Aytch · aytch101·at·yahoo.com
Submitted September 4th 2006

The Orvis knot rocks! I used to use the clinch knot to tie flies on my tippet, but never again! The Orvis knot is easy to tie and fast - I switch flies more often now if there's no action.

From: Doug · shmish·at·gmail.com
Submitted September 2nd 2006

I tested out some of these knots, and the Palomar and Orvis knots did seem to be better than the cinch. However, I had extreme difficulties in tying these two knots when using very small tippet.

From: C W (SMALLIE) BOTTOM · CABOTFLY·at·NETZERO.NET
Submitted July 1st 2006

I use the improved clinch knot! Have been for over 40 years. It has served me well. I will use tomorrow on my splendid local stream. Those who dislike this knot may not be tying it correctly. A possibility!

From: marylousue1·at·yahoo.co.uk
Submitted March 10th 2006

Where can I learn how to join the leader to the fly line using the inch worm knot?


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