Here is a link to the Brass Mower website, if anyone is interested. http://www.brassmower.com/
A shooter here has one but it hasn't really caught on at matches. I've thought of getting one for myself because I like to pick up a lot of brass. At matches though it just seems more trouble than it is worth because while it is easy it isn't as fast as three guys picking up 20-30 casings, and then the first couple people have to sort out all the 22lr, steel casings and military surplus to find their brass.