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All of the high angle rescue classes and instructors and operators use a break bar rack for any rescue of another climber/rappeller as the rescuer will need to invert in order to transfer the load to the rescue rope.
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Not necessarly true wiggy762. This truly depends on the equipment being utilized at the time. (I have some cool pics if you want to see them of high angle rescues)
Only a bbr can be safely tied off and easily released.
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If the 8 with "ears" is used correclty, it is actually easy. Most people lock an 8 incorrectly and creates the popping/jerking motion needed to "unlock". Actually, a rack is preferred because of the ability to control decent with either hand, and the rack does not twist the rope like an 8.
You should also take heed from the members here and get some specific training in rescue techniques.
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PLEASE FOLLOW THIS ADVICE!
As a follow-up, here's how to safely secure yourself on an 8 with "ears".
1. Pull the working end straight up and over the right ear.
2. Go under the loaded line and around the left ear.
3. Go back under and around the right ear again.
4. Lastly, use a half-hitch on the left ear to secure the line...
This method prevents the unnecessary strain of pulling the rope across the loaded end and creating the "popping" or "jerking" heard while securing yourself.
frisco
Wiggy762---You coming to the ETH Farm in Oct. I'll bring my gear and we can jump off the river back down the to river. That was a good 40ft it looked like. Probably the highest we can get in that area. I did have my bag with me last June, but it was just too hot!