Universal technique for correct use of a belay device.
All Petzl belay devices, and those of many other brands, are designed to be used with the same hand placements on the rope and the same basic belay technique.
- 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.
This hand position is valid regardless of the device used: tube, GRIGRI, REVERSO...
Your hand must never let go of the brake-side rope.
Taking up slack
To take up slack, pull the climber-side rope and pull the brake-side rope through the device. Never let go of the brake-side rope
To give slack, your brake-side hand pushes the rope towards the device, creating slack; your other hand pulls the rope through the device. To repeat this movement, slide your brake-side hand along the rope, without ever letting it go.
Examples of especially dangerous behavior that must be strictly avoided.