More ergonomically comfortable, the unique design uses less material and resources while maintaining our highest quality standards. This human powered tool emits no greenhouse gasses, reduces the need for chemicals, saves water, and saves you money. Folding wings harpoon into the heart of the compost pile, opening when withdrawn. Mixes compost without the use of a shovel or heavy lifting. Helps aerate and circulate compost, introducing oxygen needed for microbes and promoting faster decomposition. Extra durable, all steel construction. Yard Butler guarantees all Yard Butler tools for life against any defects in manufacturing or materials.