Originally Posted By: hikermor
I know that's what the manuals might say,but I have never seen it in use, particularly in placing leads, including the east face of Whitney, which I have done. Belaying seconds is fairly trivial; I should have been more clear that I was particularly concerned with leading situations.


I never really gave twins and doubles mucht tought, untill I climbed a pretty zig zag route on trad gear. I ended up pulling over half of my protection of the wall during the climb...

And doubles/twins are pretty much mandatory in some longer multipitches with seperate 'abseil pistes'. But i have only climbed in europe, so bolting pratices is dependend on location.
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