I kind of cringed when I read that. Part of the reason I brought it here for the real experts to peruse and comment. I have added "See Steve's post #5 on this one." to that step.
Wool is much like human hair when wet - really fragile and stretchy.
I have long fine blond hair and learned real early to comb it out gently and to not try to braid it while it is wet.
Slightly damp is OK.