It's designed to make sounds to call birds you hunt for in what are usually cold conditions, and it metal. While I don't think it stupid either, as a call material, blowing it in freezing temps is a brave/unwise move indeed, unless one is doing it for our entertainment. KC, I applaud your ability, cause that whistle is nice, and I appreciate you willingness to let us laugh at the pictures from one of ur freezing hunt.
Dan