Trilene Knot

A double-pass clinch for tying a hook, lure, or swivel to mono or fluoro. Strong, compact, and easy to learn when lines aren’t too slick or thin.

Also known as: Trilene Knot

A knot is the weakest point on the line: the right knot, tied wet and seated slowly, keeps most of the line's strength.

Palomar for hooks on PE and fluoro; FG for PE-to-leader; loop knot for jerkbaits and flukes
Wet it, seat it slowly, test it — every time
Retie after every big fish and every snag
A swivel beats a knot when the bait spins

Purpose and when NOT to use

Manufacturer facts: The Trilene Knot is a double-pass clinch designed to attach terminal tackle (hook, lure, swivel) to monofilament or fluorocarbon. It gains security by sending the line through the eye twice before wrapping and locking. Instructional advice: Use the Trilene as a terminal knot when you need a compact, reliable connection that grips hard, especially on small-to-medium wire eyes. Avoid it for leader-to-line joins (use a join knot like FG, Alberto, Albright, Double Uni, Blood, or Surgeon’s), for creating a fixed or non-slip loop (use Non-Slip Loop or Rapala), or for tying to the spool (use Arbor). Do not rely on the standard Trilene in very thin, slick braid—its smooth fibers can let wraps slide. If you must use braid at terminal, consider knots designed for braid like Palomar, San Diego Jam, Uni, or the Berkley Braid knot, and size your wrap counts appropriately.

Clear numbered tying sequence (standing line, tag, loop; entry/exit; wraps; finish)

Terms used below:

Standing line: the line running to the rod tip.
Tag end: the short working end.
Loop: the open circle formed when the line passes through an eye or around itself.

Steps (right-handed description; reverse if needed):

Entry 1: Pass the tag end through the eye of the hook from front to back (toward the point). Leave 15–20 cm of tag.
Entry 2 (double pass): Bring the tag back through the eye a second time in the same direction as Entry 1. You now have a small loop hugging the eye and both the standing line and tag emerging on the same side of the eye.
Wraps: Pinch the small loop at the eye with your off hand to hold size. With your tying hand, wrap the tag around the standing line 5–6 times as a starting point. Heavier, stiffer mono/fluoro often seats best with 4–5 wraps; finer diameters may need 6–7. These are starting examples; adjust by line diameter and slickness.
Exit path through loop: After the wraps, pass the tag through the small loop at the eye from the same side it entered (maintain orientation so the loop does not flip or cross).
Locking turn: Now pass the tag end back through the large loop that forms between the eye and the wraps (this is created when you completed the prior step). Keep the wraps neatly stacked and uncrossed.
Set and dress: Lightly moisten. Pull the standing line while guiding the tag so the coils snug evenly down toward the eye. Do not allow wraps to jump, overlap, or cross.
Final seat: Firmly pull on the standing line and then on both standing and tag together to fully set. Trim the tag, leaving a short, clean tail.

Wrong construction flags: crossed or overlapping wraps, the tag exiting the eye in the opposite direction from its second entry, a twisted loop at the eye, or a tag that never passed back through the large loop before setting.

Inspection and controlled pull-test

Visual check: Coils should be parallel, tightly stacked, and evenly compressed against the eye. The tag should emerge cleanly, not bent sharply under a crossed turn. The small loop at the eye should be round, not figure-8 twisted.
Seating: Before hard load, seat progressively—pinch the knot, pull the standing line slowly, then add steady tension. Avoid jerking during seating.
Controlled pull-test: With the lure hooked to a fixed point at waist height, pull steadily on the standing line with a gloved hand. Increase load smoothly. Watch for wrap migration, a slipping tag, or the knot riding up the shank. If you see a spiral unwind or feel creep, cut and retie.
Heat and abrasion: If you see whitening, flattening, or a melted sheen on fluoro/mono after test, the knot experienced friction heat—add a bit more moisture, slow the set, or reduce one wrap on very stiff line to prevent grinding.

Mono/fluoro/braid and diameter differences

Monofilament: Trilene grips well. Start with 5–6 wraps around the standing line for mid-diameter mono; move to 4–5 for thick, stiff mono; 6–7 for light mono. These counts are starting examples and must match diameter and suppleness.
Fluorocarbon: The double pass helps tame stiffness and slipperiness. Use slightly fewer wraps for very heavy fluoro to avoid bunching; slightly more for thin fluoro to increase bite. Seat slowly to avoid burn.
Braid: Standard Trilene can slip in thin braid because the wraps have little friction to bite. If you insist on this family of knot with braid, increase wraps significantly and test hard, but better practice is to pick a braid-suitable terminal knot (Palomar while avoiding crossed doubled strands, San Diego Jam with added wraps, Uni with plenty of turns, or the Berkley Braid knot). Never recommend a thin-braid clinch indiscriminately; choose construction that traps, not just compresses.

Concrete fishing scenarios and alternative knots

Bass with crankbaits or spinnerbaits on 12–17 lb mono/fluoro: Trilene works well as a terminal knot to split rings or line ties when you want a compact, centered connection. Alternative: San Diego Jam for quick tying and strong seating under repeated shocks.
Finesse plastics on light fluoro to a hook: Trilene is suitable; alternative Palomar is also excellent provided you keep the doubled strands parallel and do not let them cross when passing over the hook eye and cinching.
Topwater walking baits needing free swing: Use a loop knot (Non-Slip Loop or Rapala) instead of Trilene to preserve action.
Punching/flipping with straight-shank hooks: Use a Snell, oriented so the wraps drive the hook point upward. Hook-eye direction matters; feed line from the point side as required by your snell method to ensure the kick-out effect.
Leader joins: Do not use Trilene. For braid-to-fluoro, use FG, Alberto, or Albright. FG: maintain constant tension on the braid; hold the braid in a slight V and pass the leader alternately under each leg so the braid makes alternating crossing wraps that bite the leader. Add a temporary lock, then strongly seat the weave before cutting any tag. Do not use teeth, avoid bare-finger friction that can burn, and do not burn/melt tags. Alberto: wrap up the doubled leader and back down, and exit the tag on the same side it entered the leader loop. Albright: wraps go one way over the doubled leader and the tag exits the same side it entered; if you return with wraps back down, that construction is an Alberto, not an Albright. Other options: Double Uni, Blood, Surgeon’s (choose by diameter and suppleness; Blood is not a default for braid-to-leader).
Spool attachment: Use the Arbor knot; Trilene is not a spool knot.

On-water failure diagnosis and practice

Failure symptoms and likely causes:

Slipped coils with a curly pigtail tag remnant: wraps were crossed, counts mismatched to diameter, or the tag never took the final pass through the large loop. Retie with neat, parallel wraps and confirm the exit path. Increase wraps for small-diameter mono/fluoro; switch knots for braid.
Knot slid up and off the eye or broke at first coil: eye loop was twisted, or you cinched too fast causing heat and flattening. Moisten, set slower, and adjust wrap count to line stiffness.
Lure action feels muted or knot rides at an angle: coils bunched, not stacked; rebuild with tighter control while dressing. Consider a loop knot if free action is needed.
Break on hook-set without abrasion on leader: construction error—most often a crossed wrap under load or a reversed tag path.

Practice plan:

Dry runs at home: Tie 10 repetitions on scrap mono and fluoro of different diameters. Each time, inspect for parallel wraps and matching entry/exit orientation.
Controlled pulls: Hook to a fixed point and load slowly to near fishing tension. Watch for creep; if any, adjust wrap count and seating technique.
Compare alternatives: Tie Trilene, San Diego Jam, and Palomar on the same line and pull-test to feel seating differences. With Palomar, ensure the doubled line never crosses when passing over the bait. With a Snell on flipping hooks, verify the line path through the eye is oriented so the hook kicks on tension.
Leader-join practice: Even though this page is about Trilene, learn FG, Alberto, and Albright separately. For FG, keep the braid taut in a V and alternate the leader under each leg to build an interlocking braid-on-leader weave; apply a temporary lock, then seat hard before trimming. For Alberto, ensure the tag exits the same side it entered the leader loop. For Albright, use one-direction wraps and a same-side exit.

Reference: Trilene Knot — Animated Knots