A moment of inattention, an instant of fatigue, excessive confidence: moments of absence in which one can quickly forget to make a knot in the end of the rope, lock a carabiner, finish the tie-in knot... oversights that often pass without notice until the day an accident happens... To help avoid this, one can adopt a simple habit, the PARTNER CHECK: a mutual checking between climber and belayer before starting each pitch.


  • 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.

Before starting each pitch, the climber and the belayer must each check 4 key areas to ensure climber safety:

Before starting each pitch, the climber and the belayer must each check 4 key areas.
Belay system setup

Belay system setup:

  • rope installed in the proper direction (belay device function check)
  • carabiner connected to the correct place on the harness
  • carabiner is locked


  • harness waistbelt above the hips
  • harness adjusted to fit snugly
Tie-in knot.

Tie-in knot:

  • tied-in to the right place on the harness
  • the correct knot
  • knot finished and tightened
Knot tied at the end of rope.


  • knot tied at the end of rope.

Remember that before using your equipment, you must have read and understood the supplied Instructions for Use.