I've seen it spoken about once in a forum here. And I've seen it discussed on a University of California website (https://ucnrs.org/mice-barrier-cars/) that is more geared towards cars but also includes this photo:
If anyone has any information on the effectiveness of this deterrent method, pictures, construction tips, etc., please bless the Air Forums community with this potentially priceless intel in the never-ending war against the cute little invaders.
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