The three knots that work for almost every fishing situation
You need three knots to fish: the Improved Clinch Knot to tie your hook or lure to the line, the Arbor Knot to attach your line to the reel spool, and the Surgeon's Knot to join two lines of different thickness. These three handle ninety percent of what you will tie on the water. Each one takes less than a minute once your hands know the motion, and all three fail in the same way — they slip suddenly rather than fray — so you will know immediately if you tied it wrong.
The reason to learn knots by hand, not video alone, is that your fingers need to feel where the line goes. Watch once, then tie it ten times without looking at the screen. Your hands will remember the sequence better than your eyes will.
Key Takeaways
- The Improved Clinch Knot ties your hook or lure to your line and holds under the pull of a fighting fish when tied correctly.
- The Arbor Knot connects your line to the reel spool and must be tight enough that the line does not slip when you set the hook.
- The Surgeon's Knot joins a heavy leader to lighter line and is the only knot you need when you want two different line weights to work together.
- Every knot must be drawn tight slowly — jerking the line breaks it before the knot seats, and you will not know until the fish hits.
- Test each knot by hand before you cast: pull the line and the tag end in opposite directions, and the knot should not budge.
The Improved Clinch Knot: attaching hook to line
This is the knot that holds when a fish pulls hard. Thread the line through the eye of the hook, then wrap the line around itself five to seven times, working back toward the hook. The wraps should sit next to each other without overlapping. Thread the end of the line back through the loop closest to the hook, then thread it through the larger loop that forms. Pull the tag end and the main line in opposite directions, slowly, until the knot tightens against the hook eye.
The wraps must be neat — if they cross over each other, the knot will slip. If you are new to this, tie it five times on scrap line before you tie it on your real rig. The motion becomes automatic quickly. Once it does, you can tie this knot in the dark or while wearing gloves.
Test the knot by holding the line and the tag end and pulling hard. The knot should not move. If it does, cut it off and tie again — a slipping knot will fail the moment a fish takes the bait.
The Arbor Knot: attaching line to reel spool
The arbor knot keeps your line from spinning on the spool when you set the hook. Wrap the line around the spool, then bring the end back and wrap it around the main line once. Tie a simple overhand knot around the main line, then tie another overhand knot in the tag end itself, about an inch away from the first knot. When you pull the line tight, the first knot slides down and cinches against the spool, and the second knot stops it from slipping further.
This knot is easier to see than to describe. The key is that you are making two separate overhand knots — one around the line, one in the line itself — and they work together to lock the line to the spool. Pull the main line hard after you tie it. The knot should not budge, and the tag end should not rotate around the spool.
The Surgeon's Knot: joining two lines
Use this knot when you want to tie a heavy leader to lighter line, or when you need to extend your line with a fresh section. Lay the two lines parallel, overlapping by about six inches. Tie a simple overhand knot using both lines as if they were one. Pull it tight. Then tie another overhand knot in the same way, using the same four ends. Pull this second knot tight as well.
The Surgeon's Knot is stronger than it looks because the two overhand knots lock against each other. It works even when the two lines are very different thicknesses — a light fluorocarbon leader to heavy braided line, for example. The knot sits in the middle of the overlap, so trim the tag ends to about a quarter inch after you tie it.
This knot is bulkier than the others, so it will not pass through rod guides. Use it only when you are joining line at the reel or at the start of a leader, not in the middle of your line.
How to tie knots so they hold under pressure
The single most common mistake is jerking the line tight instead of drawing it tight slowly. When you jerk, the line breaks before the knot seats, and you will not know it until you cast. Always pull the line and tag end together in a steady motion, taking three to five seconds to fully tighten. You will feel the knot seat as it tightens — there is a small moment when it shifts and locks into place.
Wet the knot with saliva or water before you tighten it. Dry knots heat up as they tighten, and heat weakens the line. A wet knot stays cool and holds its full strength. This is especially important with braided line, which is more sensitive to heat than monofilament.
Trim the tag end close to the knot, but leave a tiny bit — about the thickness of a pencil lead — sticking out. A tag end that is too short can slip back through the knot under pressure. A tag end that is too long can catch on guides or weeds.
Testing your knots before you fish
Before you cast, hold the line and the tag end and pull hard in opposite directions. The knot should not move at all. If it slips even slightly, cut it off and tie again. A knot that slips in your hand will fail when a fish pulls, and you will lose the fish and your rig.
Test the Arbor Knot by trying to rotate the line on the spool with your fingers. It should not move. Test the Improved Clinch Knot by pulling the hook and the main line in opposite directions — the knot should stay tight against the hook eye. Test the Surgeon's Knot by pulling the two lines apart — the knot should not slide.
These tests take ten seconds and will save you from losing fish and tackle. Make them a habit before every fishing trip.
What to do when a knot fails
If a knot slips or breaks while you are fishing, the problem is usually one of three things: the knot was not drawn tight enough, the line was jerked rather than drawn, or the knot was tied incorrectly. Cut off the failed knot and tie a fresh one. Do not try to retie the same knot — the line is weakened where it broke.
If you lose a fish and suspect the knot failed, cut off the last six inches of line and tie a new knot. The line may be damaged where the knot was, even if the knot itself looks fine. Fresh line and a fresh knot are cheaper than losing another fish.
Frequently Asked Questions
How many times should I wrap the line for an Improved Clinch Knot?
Five to seven wraps work for most line weights. Lighter line (under 10 pounds) needs seven wraps. Heavier line (20 pounds and up) needs five. The wraps should sit neatly next to each other without crossing. If you are not sure, tie seven — an extra wrap does not hurt.
Can I use the Improved Clinch Knot with braided line?
Yes, but add two extra wraps because braided line is slicker than monofilament. Use nine wraps instead of seven. Wet the knot before you tighten it, and tighten it slowly. Braided line is strong but can slip if the knot is not seated properly.
What if I tie the Surgeon's Knot wrong and it comes undone?
Cut it off and tie again. The Surgeon's Knot is simple — two overhand knots, one on top of the other — so if it fails, you probably missed one of the knots or did not pull it tight enough. Retying takes thirty seconds and is worth the time.
Do I need to know any other knots?
These three knots handle almost every situation. Once you are comfortable with them, you might learn the Palomar Knot (another way to tie hook to line) or the Uni Knot (another way to tie line to spool), but you do not need them. Master these three first.
How do I know if my knot is tight enough?
Pull the line and tag end hard in opposite directions. The knot should not move at all. If it slips even a little, it is not tight enough — cut it off and tie again. A knot that feels solid in your hand will hold when a fish pulls.