I need a bush hog~ I've been shopping craigslist looking for a good used one. I'm trying to learn as much as I can about them so that I can make a wise choice~ but I can't seem to figure out what a "Stump jumper" is or where on the bush hog it is located. Some ads say they have a "Stump jumper" some don't say anything about it at all. What exactly is it~ where is it on the bush hog and is it something I'll need? I'm planning to use it in a wooded area I want to clear the dead/woody stuff out of that the goats ate the greens off of last summer. Anything else I should know about bush hogs as I shop for one? Thanks for any help!