Three types of tie-in with or without chest coils (Petzl source)
WARNINGS
- Read the technical notice before viewing the following techniques.
- It is important to fully understand the information provided in the technical notice before using this complementary information
- Mastering these techniques requires training.
- Consult a professional before attempting to perform these techniques on your own.
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 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.
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.
IDisadvantages:
- The coils can become undone.
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.
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 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.
Author and source
This Petzl technical documentation is shared on https://www.camptocamp.org in partnership with the Petzl Foundation. Petzl Foundation aims to conduct educational and risk prevention actions related to the practice of vertical activities. This documentation is available under the Creative Commons CC-by-nc-nd licence.
Author: Petzl
Source: petzl.com
Version: V1
Date: 27/01/2015
Commentaires
For questions concerning the use of Petzl products and technical advice, you can write directly to: technicalquestion@petzl.fr