I picked up this old Ford Flail mower. They were produced from 1956 to 1972. This is a fine cut flail mower, and has the Y shaped knives. It's made for cutting grass, not brush like you'd normally see ...

The flail mower attachment can be equipped with either duckfoot or flail knives to accommodate different applications. Duckfoot knives produce a finer cut in easier cutting conditions, whereas flail ...