Skip to content

Where the theory applies
Hitch — object-dependent

Clove Hitch

Friction on hardware · Physical hitch theory

Does not pick a knot

This page does not pick a knot for you. DNA, molecules, quantum braids and vortices stay off Decide.

Clove Hitch, finishedClove Hitch, finished

Finished structure

Drawn from a rope model of this knot: which strand passes over which comes from where the rope actually lies.

Failure modes

When this family fails, it fails as these. The recovered end still outranks the name.

Round-turn hitch family

A round turn or stacked turns take the load; the lock only keeps them there — and still breaks by hand.

  • !No round turn — the lock is asked to carry surge
  • !Turns not stacked, so the hitch walks on a tide
  • !Expected to jam when the job was a release-able dock line
Fails when
  • !Left bare on a boat that surges or swings on its line
  • !Tied round polished metal or wet plastic
  • !Second turn taken the opposite way round
  • !Tail left short, so it pulls through the turns as the hitch slips
Geometry
  • Turns not crossed

    This is not a clove and will not hold

    The second turn must cross over the first · step 02

  • Spread / walking clove

    Walks off the rail under cyclic load

    A clove holds only while the turns stay stacked · step 03

  • Left unattended on a tide

    Fender or line on the bottom

    Animated Knots: not a mooring plan · step 04

If you saw this
  • Hitch walks off the spar

    Check

    • ?Turns stacked and dressed

    Then

    • Back up or replace with round turn and two half hitches
  • Turns not crossed

    Check

    • ?This is not a clove and will not hold
    • ?Inspect step 02

    Then

    • Retie. Do not dress a defective structure and call it seated.
  • Spread / walking clove

    Check

    • ?Walks off the rail under cyclic load
    • ?Inspect step 03

    Then

    • Retie. Do not dress a defective structure and call it seated.
  • Left unattended on a tide

    Check

    • ?Fender or line on the bottom
    • ?Inspect step 04

    Then

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

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

This failed — start Diagnose

What holds it

  • ·A hitch is object-dependent. Remove the spar, cleat, ring or pile and the structure is usually the unknot.
  • ·Bayman / Maddocks–Keller describe a no-slip regime from wrap count and friction. The prediction is approximate, and only for hitches.

What topology does not predict

  • ·Closed-loop knot invariants (Jones, Alexander) do not say whether a clove hitch will walk on a smooth spar.
  • ·No manufacturer working load is implied by wrap count.
  • ·Wet, iced, or HMPE covers change friction — topology is silent.

Not for

  • ·Joining two free rope ends — that is a bend
  • ·A standing loop that must survive after the object is gone
  • ·Unattended mooring
  • ·Cyclic snatch

Same pattern, different job

Sources