Has anyone used one of these? It's getting tougher each year to crank my spreader ahttp://www.qdma.com/shop/action-back-original-pack-feeder-seeder?utm_medium=email&utm_campaign=April%202%20Shed&utm_content=April%202%20Shed+CID_9f2ea8d19eaf155e80aff888ad9de6e8&utm_source=Campaign%20Monitornd this maybe the answer.