Three types of tie-in with or without chest coils. - Petzl USA
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Three types of tie-in with or without chest coils.

Warnings

  • Carefully read the Instructions for Use used in this technical advice before consulting the advice itself. You must have already read and understood the information in the Instructions for Use to be able to understand this supplementary information.
  • Mastering these techniques requires specific training. Work with a professional to confirm your ability to perform these techniques safely and independently before attempting them unsupervised.
  • We provide examples of techniques related to your activity. There may be others that we do not describe here.

1. With blocked chest coils

For even terrain requiring little variation in spacing of the team members.

Advantages:

  • Coils are stabilized, comfortable.
  • Tie-in at end of rope.

Disadvantages:

  • Rope adjustments difficult.

Tie-in with blocked chest coils

Tie-in on carabiner with figure-eight knot

Advantages:

  • Reliable over time if knot is properly tied.

Disadvantages:

  • Long to untie if knot is tightened by a fall.
  • Use a directional carabiner or two reversed locking carabiners.

2. With unblocked chest coils

For terrain requiring frequent adaptation in spacing of the team members.

Advantages:

  • Quick rope adjustments.
  • Tie-in at end of rope.

Disadvantages:

  • The coils can become undone.

Tie-in with unblocked chest coils

Tie-in on carabiner with a clove hitch

Advantages:

  • Quick adjustments.
  • Knot is easy to untie even when tightened by a fall.

Disadvantages:

  • Use a directional carabiner or two reversed locking carabiners.


3. Reserve rope in bag, no chest coils

Set configuration for long walks.

Advantages:

  • Comfortable to carry.

Disadvantages:

  • Tie-in at end of rope is redone in case of emergency.

Tie-in with reserve rope in bag, no chest coils

Tie-in to harness with a bowline knot

Advantages:

  • Stays in place.
  • Unties well, even when well-tightened.

Disadvantages:

  • The loop must be secured with a carabiner.