Ott got out her laptop, opened an engineering CAD program and, on-the-spot, created what Howard described: an aggressive climbing shoe with a downturned toe like a banana.

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Now, it doesn't stick as good as a climbing foot or a shoe, a human foot would, but I think, you know, in that respect, my calves don't get tired on that side and I - my wife says it's completely aid climbing, which she says it's cheating.

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