How to Tie the Blood Knot [Video & Picture Tutorials]
- By: Luke Simonds
- on July 30, 2018
- Found In: Braid to Leader, Fishing Knots, Fishing Tips, Mono to Leader

The Blood Knot
The Blood Knot is a fantastic knot for connecting two lines of similar diameter. It is very sleek and is a favorite among many fishing guides for that very reason.
This knot can be a little bit difficult to tie and therefore practice tying it at home is required before taking it to the water.
In this article, we show you the step-by-step instructions with pictures on how to tie the Blood Knot.
You can also see a detailed video tutorial showing exactly how to tie the blood knot and what the pros and cons of this knot are at the bottom of the article.
Blood Knot Step-by-Step Instructions
Here are the steps for tying the Blood Knot. In this application, we are connecting two pieces of fluorocarbon lines.
Step 1: Overlap 5 Inches of Leader and Main Line
Overlap five inches of leader line and main line and pinch the overlap point.
Step 2: Make 5-7 Wraps Around the Leader Line With the Tag End of Your Main Line
Make five to seven wraps with the tag end of your main line over the front and around the leader line. Make sure all your wraps move continuously down the leader line.
Step 3: Put the Tag End of the Main Line Through the “V” at the Overlap Point
Put the tag end of your main line through the “V” the lines create at the overlap point. Cinch the new overlap point using the hand you made the wraps with in Step 2.
Step 4: Repeat Steps 2 and 3 Using the Tag End of Your Leader Line
Repeat Steps 2 and 3 using the tag end of your leader to make 5-7 wraps from the back around the main line. Make sure all your wraps move continuously up the main line. Then put the tag end of your leader line through the “V” at the overlap point.
Step 5: Lubricate the Knot and Pull Both Lines and Tag Ends Finger-Tight
Lubricate the knot with water or spit and pull the leader and main lines and both tag ends finger-tight. After pulling the knot finger-tight, release the tag ends and pull the leader and main lines to make the knot as tight as possible. Your tag ends should stick up on either side of the knot at 90-degree angles.
Step 6: Cut the Tag Ends
After your knot has coiled together tightly, cut the tag end of each line. Your Blood Knot is complete.
The Blood Knot Video Tutorial
This video tutorial shows you the entire process of how to tie the Blood Knot.
Conclusion
The Blood Knot is a great knot for connecting lines of similar diameter and is appealing to anglers because of how small and sleek the knot is.
It is also tremendously strong and holds up against the toughest of fish.
There are definitely simpler and easier line-to-line knots you can tie, but the Blood Knot is a great one to add to your arsenal.
If you want to learn more about the best fishing knots, check out our guide to the strongest fishing knots of all time.
If you have any questions or comments about this knot, let us know in the comments section below.
Tight Lines!
Go To Our Knot Testing Homepage [Full Knot Rankings]
Related Posts:
1. How to Tie the Non-Slip Loop Knot [Video & Picture Tutorials]
2. How to Tie the Albright Special Knot [Step-by-Step & Video Tutorial]
3. How to Tie the Crazy Alberto Knot [Video & Step-by-Step]
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Hey y’all,
I noticed you could use a more recent comment. So, here goes. I know I’ve told you most of what I’m about to write before…BUT…I just can’t thank you enough for all the tips & video’s! Even though I’m relatively newly retired to the Myrtle Beach, SC area, currently “boatless” and limited to area on shore, pier and intracoastal waterway, bank & dock fishing, you’ve gotten me quickly ready and comfortable with my newest pastime of saltwater fishing! provided all my know how, tackle, lures and more to land my first decent red! All hail the Slam Shady 2.0 & Luke’s pinky method for an F.G. knot! BTW, I ended up showing your method and tying a few FG’s for some other fishermen & women my last trip to the pier! It helped me learn from the locals who were offering up their secrets as to where & when to use certain rigs. Even gave me extra rigs to copy & try! Know doubt you already know you’ve got something special with Salt Strong! I’m just helping to spread the word. Thanks again!
Best wishes & Tight Lines!
Thanks so much for making time to post this nice comment Nate! I am so happy to see that you’re enjoying the lessons. And thanks so much for passing it along to others. Tight Lines!
I’ve never understood why people would prefer to tie a blood knot to a double uni knot. It may be just a hair thicker, but not much and IIMHO) is so much easier to tie.
The tag ends never catch on guides. It’s the most functional knot to use honestly. Once you get it right. Even with braid. Just use more wraps with the braid