Uh. Eric, isn't the whole point of them freezing in so they don't pull out when put under tension?

I'd rather dig them out than have them come out in a high wind. Just a thought.

Why not just make disposable snow anchors out of a tree branch and tie them off with something like a trucker's hitch that you can release and pull out the cord?
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Don't get me started, you know how I get.