GT Knot

Braid wrapped onto a heavier leader, then locked so the join cannot hinge.

• !Hinge at the material transition — the join clicks, then parts
• !Wraps not packed on the heavier line before the lock
• !Lock or tag on the wrong side of the braid, so the column unzips

• !Fewer than 30 wraps went on in the first layer, leaving too little leader gripping the braid
• !The leader tag lies beside the small braid loop instead of through it, so the second layer of wraps loosens
• !The knot was pulled tight fast or dry, so the wraps bunched and put the load on a short section
• !The braid was not doubled, so no loop lies folded under the second layer of wraps to lock them

• Well under thirty wraps in the first pass

  Leader slips through the braid under a shock load

  The finger-trap grip is cumulative along the wrapped length; it is not a structural lock. · step 02

• Wraps bunched, with a tight clump and a slack section

  The whole load lands on the bunched section

  A fast cinch gathers the wraps before they can compress evenly. · step 05

• Leader tag not through the remaining braid loop

  Nothing holds the wraps shut

  The final tuck closes the trap; the wraps alone will open. · step 04

• Built on single-strand braid

  No loop to fold back, so the trap never forms

  The doubled loop folded over the wraps is the trap itself. · step 01

• The wrapped section is short and the leader slips against the braid

  Check

  • ?Measure the wrapped length and pull-test before it sees a fish

  Then

  • →Rebuild with the full wrap count — the grip is cumulative, not structural

• The wraps are uneven, with a tight clump and a slack section

  Check

  • ?Sight along the knot for a step change in wrap density

  Then

  • →Retie and cinch slowly; a bunched section carries the whole load

• The leader tag is not through the remaining braid loop

  Check

  • ?Trace the leader tag — it must pass through the braid loop

  Then

  • →Retie; without the tuck the wraps have nothing holding them shut

• Well under thirty wraps in the first pass

  Check

  • ?Leader slips through the braid under a shock load
  • ?Inspect step 02

  Then

  • →Retie. Do not dress a defective structure and call it seated.

• Wraps bunched, with a tight clump and a slack section

  Check

  • ?The whole load lands on the bunched section
  • ?Inspect step 05

  Then

  • →Retie. Do not dress a defective structure and call it seated.

• Leader tag not through the remaining braid loop

  Check

  • ?Nothing holds the wraps shut
  • ?Inspect step 04

  Then

  • →Retie. Do not dress a defective structure and call it seated.

Same failure class, different geometry. Open the plates — Diagnose still starts from the symptom.

• FG Knot
• Alberto Knot
• PR Bobbin Knot