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2. Self-locking device - Wikipedia

   en.wikipedia.org/wiki/Self-locking_device

   Self-locking devices are pieces of rock-climbing equipment intended to arrest the fall of solo climbers who climb without partners. This device is used for rope solo climbing, for "ground-up climbing", and for "top rope solo climbing". To date, several types of self-locking devices have evolved.

3. Prusik - Wikipedia

   en.wikipedia.org/wiki/Prusik

   The rope to be pulled is passed through a pulley, and a Prusik is tied on the loaded side. When the rope is pulled, the Prusik rides against the pulley, and the rope slides through it; but when the rope is relaxed, the Prusik slides away from the pulley and grabs the rope. Thus, the combination acts as a ratchet (or Progress Capture Device (PCD)).

4. Munter hitch - Wikipedia

   en.wikipedia.org/wiki/Munter_hitch

   When a belayer needs to transfer the load from their harness to the anchor to escape the system: a rope grab (mechanical or friction knot/Prusik) is placed on the load line towards the load, rope is terminated on the rope grab (or the tails of accessory cord are used when using a cordelette with a Prusik as a rope grab) and runs back to the ...

5. Rock-climbing equipment - Wikipedia

   en.wikipedia.org/wiki/Rock-climbing_equipment

   Self-locking devices (SLDs), also called progress capture devices (PCDs), are the terms given to the broader class of rope devices that allow the climbing rope to move more freely in one direction but will lock quickly if the rope tries to move in the opposite direction. Their basic action means that several can also be used as emergency ...

6. Belay device - Wikipedia

   en.wikipedia.org/wiki/Belay_device

   Self-belay devices are designed to allow solo climbing where the climber wears the belay device, or secures it to a fixed object on the ground. These devices automatically lock without any intervention when the rope passing through reaches a sufficient velocity (during a fall), but allow rope to move relatively freely whilst climbing.

7. Rope solo climbing - Wikipedia

   en.wikipedia.org/wiki/Rope_solo_climbing

   Rope-solo climbing or rope-soloing (or self-belaying) is a form of solo climbing (i.e. performed alone without a climbing partner), but unlike with free solo climbing, which is also performed alone and with no climbing protection whatsoever, the rope-solo climber uses a mechanical self-belay device and rope system, which enables them to use the standard climbing protection to protect ...