Leaves and other vegetation account for a large portion of landfill waste. The chipper and shredder cut brush and small branches to a size that is easier to handle and suitable for composting or mulching, reducing moisture loss and weed regrowth and improving the appearance of your garden. Shredding leaves and grass clippings also reduces the time it takes to compost materials to decay. The Castelgarden chipper and shredder are light-use, electrically powered models. They differ in terms of technology and end result, but are both extremely useful machines.