Tree care - Petzl Denmark
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Tree care

Find equipment essentials and tech tips to help you get the job done.

© Marc Daviet

Techniques to improve returning to the trunk with SRT

Techniques to improve returning to the trunk with SRT
Retrievable deviation in DdRT (MRS) with NAJA

Retrievable deviation in DdRT (MRS) with NAJA
Wrong attachment of the rope end to the ZIGZAG (DdRT usage)

Wrong attachment of the rope end to the ZIGZAG (DdRT usage)
Movement and work in the tree using DdRT and SRT with the ZIGZAG

Movement and work in the tree using DdRT and SRT with the ZIGZAG
Installing the ZIGZAG in SRT mode for accessing and working in the tree

Installing the ZIGZAG in SRT mode for accessing and working in the tree
Movement within the tree: returning to the trunk

Movement within the tree: returning to the trunk
Examples of ZIGZAG handling

Examples of ZIGZAG handling
Video - How to install the KNEE ASCENT?

Video - How to install the KNEE ASCENT?
Compatibility of the first-generation ZIGZAG with CHICANE and KNEE ASCENT

Compatibility of the first-generation ZIGZAG with CHICANE and KNEE ASCENT
Video - Installing the EJECT for dismantling

Video - Installing the EJECT for dismantling
Primary uses of the ZIGZAG

Primary uses of the ZIGZAG
Attaching a second belay system to the ZIGZAG

Attaching a second belay system to the ZIGZAG
Precautions when using the ZIGZAG

Precautions when using the ZIGZAG
Review of primary ZILLON lanyard functions

Review of primary ZILLON lanyard functions
Organizing the reserve rope of the ZILLON lanyard

Organizing the reserve rope of the ZILLON lanyard
Attaching the free end of the ZILLON lanyard: danger

Attaching the free end of the ZILLON lanyard: danger
Carabiner compatibility test

Carabiner compatibility test
Carabiner basics

Carabiner basics
Choice of carabiner for the ZIGZAG

Choice of carabiner for the ZIGZAG
Choice of carabiners for hauling systems and pulley attachment

Choice of carabiners for hauling systems and pulley attachment
Choice of carabiner for connecting a ZILLON or GRILLON lanyard to the harnesss

Choice of carabiner for connecting a ZILLON or GRILLON lanyard to the harnesss
Examples of dangerous carabiner loading.

Examples of dangerous carabiner loading.
Using the NAJA friction saver with single rope (SRT/SRS)

Using the NAJA friction saver with single rope (SRT/SRS)
Rescue: load transfer and tandem descent with ZIGZAG

Rescue: load transfer and tandem descent with ZIGZAG
Using the EJECT friction saver with single rope (SRT/SRS)

Using the EJECT friction saver with single rope (SRT/SRS)
ZIGZAG certification

ZIGZAG certification
Torsion on the ZIGZAG and ZILLON chain

Torsion on the ZIGZAG and ZILLON chain
Video - Partner rescue with the ZIGZAG

Video - Partner rescue with the ZIGZAG
Rescue: operation of the victim’s ZIGZAG by the rescuer

Rescue: operation of the victim’s ZIGZAG by the rescuer
Accompanied descent rescue with two people on one ZIGZAG

Accompanied descent rescue with two people on one ZIGZAG
Basic tree care concepts

Basic tree care concepts
Access on doubled rope with the ZIGZAG

Access on doubled rope with the ZIGZAG
Backing-up the ASCENTREE with the ZIGZAG during tree access

Backing-up the ASCENTREE with the ZIGZAG during tree access
Access on single rope with ASCENSION and CROLL and ZIGZAG in double mode

Access on single rope with ASCENSION and CROLL and ZIGZAG in double mode
Position in relation to the anchor with the ZILLON lanyard

Position in relation to the anchor with the ZILLON lanyard
Using the ZILLON lanyard in single mode

Using the ZILLON lanyard in single mode
Dismantling: second belay point and evacuation system with the ZIGZAG

Dismantling: second belay point and evacuation system with the ZIGZAG
Dismantling: choke the ZILLON lanyard

Dismantling: choke the ZILLON lanyard