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Topic Date User

a small study of unclipping from keyhole hangers 17-Jan-2011 At 8:35:10 AM climbau

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We know from previous topics that rolling the Spirit biner so the the nose faces out, and is at the bottom helps to reduce the likely hood of this happening.
What I take from all this, is that despite sinking bits of steel (using engineering principles) into the rock, and despite engineering fit-for-purpose keyhole hangers, there is still room for error. We have anecdotal(?) evidence suggesting the same risks apply to FH's and Rings. I don't think I have heard of this happening with U's? Maybe there is no perfect solution as far as an engineered solution goes (except maybe fixed swaged SS quickdraws). But I was always taught that climbing is about systems, and the more disciplined you are about following proper safety procedure (use what ever method you like as long as it suits the situation) you will minimise the inherit risks of climbing. There will always be the "human Factor" and the low percentage occurrences IMHO, but hopefully if one piece fails there will be another piece not far away to make things not so messy.