Yesterday, as I watched a kid go down a hill on a plastic saucer I realize it was perfect for watering in freezing weather. It holds about two gallons of water and is large enough for two to drink from at the same time. If more water is needed, more is added. Whatever is left is tipped out and the saucer is removed for the next time. I water three times daily so there's no need to leave water (ice) in between times. Cost me 6 bucks.