Ant-proof Dog Bowl
When you feed your dogs outdoors, you also often feed a whole colony of ants. To keep his dog's food ant-free, Keith King of Carrolton, Ga., built a short stand to hold a food bowl off the ground. He bolted together an old truck axle and inverted brake drum, then drove the axle 6 inches into the ground. To keep ants and other critters from crawling up the axle, over the brake drum and into the dog bowl, he coated a section of axle with wheel bearing grease, which ants find to be an impenetrable barrier.

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