© Thomas Vialletet
Belay technique: taking up slack
Video - How to make and use an extendable quickdraw?
Performance of new ropes
Length of my new rope and the middle of the rope
Change in the length of my rope after use
Fall factor and impact force - theory
Belay loop and tie-in points: where do I attach my lanyard, my belay device and my rope?
Using pulleys with small-diameter rope or cord.
Elongation
Impact force - standards
What is the impact force of a rope?
Forces at work in a real fall
Influence of the belay device
Consequences of poor rope drag management in a common fall
Fall comparison with rigid/human mass
Dynamic belaying with the GRIGRI
Good practices for belaying a lead climber
Universal technique for correct use of a belay device.
Spotting and belaying at the start of the route
Belaying a leader climber: vigilance, anticipation and mobility
Stopping a climbing fall
Lowering
Communication when climbing
Top-rope belaying with the GRIGRI anchored to the ground.
Belaying with the GRIGRI
Video: Belaying with a GRIGRI
VIDEO - Specific left-handed technique
Belaying with the REVERSO
Video - The Worst Belayer in the World
Tying off the GRIGRI to have your hands free
Rappelling with the GRIGRI
Recovering quickdraws in an overhang while descending
Carabiner locking systems
Different carabiner shapes
Carabiner compatibility test
Carabiner basics
Choice of carabiner for attaching a GRIGRI to the harness
Choice of carabiners for attaching a VERSO or REVERSO to the harness
Choice of lanyard end carabiner for a rock climbing or via ferrata lanyard
Choice of carabiners for attaching the rope to the anchor
Examples of dangerous carabiner loading.
Attaching a rope to the harness
Tying in with a figure 8 knot
Friction hitches
Knots
PARTNER CHECK
Positioning the quickdraw and clipping the rope
How to set up a top rope
How to coil the rope?
Rope too short: warning - danger!
Primary dangers when using a rope
STRING, installation and precautions
To read for self-belaying
General principles for solo climbing with a fixed belay rope
Setting up a self-belay system on two ropes with two ascenders
Installation on one single rope with two ascenders
Appendix 1: Petzl does not recommend using only one ascender for self-belaying.
Appendix 2: Detail of installation on two ropes with two ascenders
Appendix 3: Detail of installation on one rope with two ascenders
Appendix 4: Precautions and introduction to risk analysis
Appendix 5: Analysis of solutions observed in the field - Use of a single ascender with knots in the rope.
Appendix 6: Analysis of solutions observed in the field. Use of one ascender and clipping into knots on a second rope
