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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. 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 ...

4. 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)).

5. 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 ...

6. Spring-loaded camming device - Wikipedia

   en.wikipedia.org/wiki/Spring-loaded_camming_device

   A selection of spring-loaded camming devices of differing sizes Climbers often carry a large number of cams on traditional climbs.. A spring-loaded camming device (also SLCD, cam or friend) is a piece of rock climbing or mountaineering protection equipment.

7. Safety harness - Wikipedia

   en.wikipedia.org/wiki/Safety_harness

   It is attached securely to a stationary object directly by a locking device or indirectly via a rope, cable, or webbing and one or more locking devices. Some safety harnesses are used in combination with a shock-absorbing lanyard, which is used to regulate deceleration and thereby prevent a serious G-force injury when the end of the rope is ...