Originally Posted By: Welle
Originally Posted By: retroscree

Not true at all. They are quite effective and workable, and super light to carry. Recall the number of big walls that were done with prusiks on the FA.

Have you prusiked on a wet rope in a rain or on iced up rope?

Wet, yes - an extra wrap can make them work if they're slipping. Iced up? No - hell, that can be just as problematic with Jumars or other mechanical ascenders, too.