Anonymous
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how does it work
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marks
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The basics are that the rope is woven in and out of the bars in turn creating friction. These are most commonly used by cavers (climbers use other equipment).
A more detailed description is here:
Rappel Rack on Wikipedia
(And yes this is a technical piece of gear that shouldn't be used without extensive knowledge / instruction).
What are your goals (then we can give more advice)?
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