We raised goats for over 25 years, and they were the best little mowers and edgers imaginable. We had an area that was next to the yard, but the ground was so irregular you couldn't possibly use a lawn mower and it was too large an area to easily weed-eat. Turned a few goats in there and in one day it looked nicely mowed. They also help keep weeds in check because they eat a lot of them before they can go to seed.