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The principle of rock climbing descender

The rock climbing descender is a design that uses the friction between the instrument and the rope to make the rope slow down due to friction and even slow down due to self-locking, to ensure that the faller does not fall quickly, and the descender can slow down.

The descender has an 8-word ring, Grigi, ATC, pig nose and so on.

Among them, the 8-word loop reducer is widely used due to its simple structure (* is not prone to mechanical failure).

Grigi works by ensuring that the Griri is used to fasten the rope to ensure that the climber, when the climber falls, produces an instantaneous pulling force that causes the cam to rotate and hold the rope, slamming his slip.

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