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What if i told you I know where one of these are right now. Just sitting in the woods in great condition.
http://www.cabelas.com/mowers-implements-atv-harrow-drag.shtml
I can't get a truck close to it so I would literally have to carry it... Alas, I'm lazy. If the price was right i might carry it out though.
Similar to that one, but not exactly. The one I'm thinking of has a heavy steel frame around the outside, and there's a lever in the center that changes the angle of the teeth... Basically, lever all the way down tilts the teeth to the flat position... lever pulled up tilts them to 90 degrees with the soil... and anywhere in between. It's kind of a heavy sumbitch. How far do you have to carry it?