O.K. MD, you'll save me a few fingers. It was so cold last night my Black Lab wanted to sleep with me and my wife in bed. I would have let em but he snores louder than my wife, dont tell my wife I said that. We may get up to 60 degrees by May if were lucky. I was also thinking I better not use them spit patches as they might freeze inside the barrel. Ya know has that ever happened to anyone befor??????????????