I have been using a needle bar for years , The Icelanders on Lake Winnipeg In Manitoba Have used these for years . You never run out of gas , Rarely have to sharpen , Cuts ice fast , can make a small hole at the top and large at the bottom . I use this exclusively for Beaver trapping , Yes its hard but it never fails ! I make my own out of a Jackhammer bar , slow grind on three sides with water to keep from losing the hardness.
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