Yep - a nice idea - under ice experience would be valuable especialy if you have specialised in such.
Maybe a manual is ambitious but perhaps a series of posts in 'Tips and Tweaks' taking different topics
or running through your experience in scenarios would be most welcome.
These posts/articles could then be collated into something bigger if you so desire.
Now my under-ice experience is strictly related to getting my tonsils past the ice and lemon in a g & t.
Seriously - go ahead tell us what you know.
