Listen or watch on your favorite platforms
Episode Show Notes
In this How 2 Tuesday episode of the Tom Rowland Podcast, Tom Rowland breaks down the differences between two critical fishing knots: the Uni Knot and the San Diego Jam. These are two of the most versatile knots in fishing, but they serve different purposes and excel in different applications. Tom explains when to use each knot, why anglers often confuse them, and which situations call for one over the other. If you've ever wondered whether you're tying the right knot for your leader connections, this short tutorial delivers clarity you can use on your next trip.
What's the difference between a Uni Knot and a San Diego Jam?
The Uni Knot and San Diego Jam are both leader-to-line connection knots, but the Uni Knot is more versatile for connecting lines of similar diameter, while the San Diego Jam excels at connecting lines of very different diameters. Tom Rowland explains that understanding when to use each knot can improve your rigging efficiency and knot strength on the water.
Who is Tom Rowland?
Tom Rowland is the host of the Tom Rowland Podcast, a show dedicated to fishing techniques, outdoor skills, and the disciplines that transfer across pursuits. He produces the weekly How 2 Tuesday series, where he breaks down practical fishing techniques and rigging methods for anglers of all skill levels.
This episode is brought to you by Star brite, the marine care products Tom relies on to keep his boat clean and protected. From deck cleaners to hull care, Star brite has everything you need in their boat care in a bucket kit.
When the Uni Knot Is Your Best Choice
Tom starts by breaking down the versatility of the Uni Knot, explaining why it's one of the most useful knots in fishing. The Uni can connect line to line, line to hook, or line to swivel, making it a true workhorse. But there's a specific scenario where the Uni Knot really shines: when you're connecting two lines of similar diameter. Tom explains the mechanics of how the Uni creates a strong connection and why it's his go-to for certain leader setups. If you've been using the same knot for everything, this breakdown will help you understand when the Uni is the right tool for the job. Tom's full explanation of the Uni Knot starts at the beginning of the episode.
Why the San Diego Jam Handles Big Diameter Differences
The San Diego Jam enters the conversation when you need to connect lines of very different diameters—think heavy monofilament leader to thin braid, or shock leader to running line. Tom explains how the San Diego Jam's wrapping method creates a secure connection even when the line sizes don't match. He reveals the key difference in how this knot is constructed compared to the Uni, and why that construction matters when you're dealing with big fish and heavy pressure. This is the knot that saves you when a Uni Knot might slip or fail. The San Diego Jam breakdown and when to use it unfolds shortly after the Uni Knot explanation.
Watch Tom demonstrate both knots and see the differences in action
The Common Mistakes Anglers Make With These Knots
Tom doesn't just show you how to tie these knots—he reveals the mistakes he sees anglers make when choosing between them. Using the wrong knot for your line setup can cost you fish, and Tom explains exactly why certain combinations work while others fail under pressure. He walks through scenarios where anglers think they're using the right knot but are actually setting themselves up for failure. This is the kind of practical knowledge that comes from years on the water, and it could save your next trophy fish. Tom's discussion of common knot mistakes and how to avoid them comes midway through the episode.
Get the Best Fishing & Outdoor Content
Weekly insights on fishing strategy, conservation, and the disciplines that transfer across pursuits.
SubscribeBuilding Your Knot Toolkit for Real-World Fishing
Tom wraps up by emphasizing that the best anglers don't rely on one knot for everything—they build a toolkit of knots and know exactly when to use each one. He explains how mastering both the Uni Knot and San Diego Jam gives you flexibility in your rigging, whether you're targeting inshore species or heading offshore. The difference between a good angler and a great one often comes down to these small details, and Tom makes it clear that knot selection is one of those details that matters more than most people think. Tom's final thoughts on building your knot knowledge finish out this How 2 Tuesday episode.
Don't miss this essential knot tutorial.
Short, practical, and immediately useful on the water.
Key Takeaways
- The Uni Knot excels when connecting lines of similar diameter, making it versatile for multiple fishing applications
- The San Diego Jam is the go-to knot when you need to connect lines of very different diameters
- Choosing the wrong knot for your line setup can result in lost fish and failed connections under pressure
- Understanding the construction differences between these knots helps you make better decisions on the water
- Building a toolkit of knots rather than relying on one knot for everything separates good anglers from great ones
- Tom breaks down the specific scenarios where each knot performs best, giving you practical knowledge you can use immediately
Final Thoughts from Tom
These two knots are fundamental to your success on the water, and knowing when to use each one can make the difference between landing and losing fish. I see anglers all the time using the wrong knot for their setup, and it costs them when it matters most.
The Uni Knot and San Diego Jam both have their place in your rigging toolkit. Master both, understand the differences, and you'll have more confidence in your connections no matter what you're targeting or what line you're using.
This is a short How 2 Tuesday episode, but it's packed with practical information you can use on your next trip. Watch the video to see exactly how to tie both knots, and you'll understand why I reach for each one in different situations. This one's worth your time.
Frequently Asked Questions
What is the main difference between a Uni Knot and a San Diego Jam?
The main difference is in their ideal applications: the Uni Knot works best when connecting lines of similar diameter, while the San Diego Jam excels at connecting lines of very different diameters. The construction and wrapping methods differ, which affects how each knot performs under pressure.
When should I use a Uni Knot instead of a San Diego Jam?
Use a Uni Knot when you're connecting lines of similar diameter, whether line to line, line to hook, or line to swivel. The Uni Knot's versatility makes it ideal for most standard leader connections where line sizes are close.
Why does the San Diego Jam work better for different diameter lines?
The San Diego Jam's wrapping method creates a more secure connection when line diameters vary significantly, such as when connecting heavy monofilament leader to thin braid. The knot construction prevents slippage that can occur with other knots in this scenario.
What are common mistakes anglers make with these knots?
Tom explains that anglers often use the wrong knot for their specific line setup, which can lead to failures under pressure. Using a knot designed for similar diameter lines when you have very different diameters, or vice versa, is a common mistake that costs fish.
Can the Uni Knot be used for multiple fishing applications?
Yes, the Uni Knot is one of the most versatile knots in fishing. It can be used to connect line to line, line to hook, or line to swivel, making it a workhorse knot that every angler should know how to tie properly.
Related Episodes
A comprehensive guide to the fundamental knots that belong in every angler's toolkit
More on choosing the right leader connections for different inshore fishing scenarios
Tom shares the rigging details that make the difference between landing and losing trophy fish
Sponsors
Keep your boat clean and protected with Star brite's boat care in a bucket—everything you need in one kit.
Shop Star briteTitle sponsor of How 2 Tuesday. Danco provides the marine accessories and rigging tools that make life on the water easier.
Visit DancoTom Rowland – Host, Tom Rowland Podcast
Download the Tom Rowland Podcast Knot Guide to master the essential knots every angler needs to know.
Tom Rowland
Tom Rowland is the host of the Tom Rowland Podcast, where he shares fishing techniques, outdoor skills, and the disciplines that transfer across all pursuits. Through his weekly How 2 Tuesday series, Tom breaks down practical fishing methods and rigging techniques to help anglers at every level improve their skills on the water. His approach combines technical knowledge with real-world application, making complex techniques accessible to everyone.
Listen or watch on your favorite platform:
About this Guest