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Ascenders

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the action of the teeth and cam aren't terrible on a rope with body weight applied. But a fall onto a jumar, or ascender, can sever a rope. That IS bad.

Generally, if you're ascending a rope a lot, it will wear (dangerously, even) where it passes over rock --especially an edge. The bounce of ascent will cycle the rope where it touches rock, and that's where the wear is concentrated. The jumar's, or ascender's, wear is much more evenly distributed, and negligible by comparison.

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Because a ti-block does not have a true cam, it uses a biner, it can be misapplied much more easily and thus cause considerably more damage to ropes. If used properly they will still cause more wear than a Jumar, but are still safe.

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I was wondering if ascenders like the jumars or even the tiblocks are hard on the ropes, and if so how bad. Ive heard thy ar'nt to destructive but when I look at the teeth on one of those I get my doubts

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