Seems that thread lost luster....success stories in the field ?
In the lab we had success with the hard edged Dutch Biner....not with a smooth aluminum descender ring.
At this point I love the 'metalic' whoopie but for reliability it seems like longevity of the whoopie is given up---how much is hard to tell BUT I've been replacing whoopies that are used regularly at least yearly, so in the end it may be a moot point.
Stories? Thoughts?
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