looks pretty handy. Justifiable cost increace over the standard ART with all the extra machining and the convenience of being about to set it from a distance.
If that were me and a 9 inch tree, I would just notch it at ground level and do a partial back (cripple) cut. Go to the target tree and do a simple fell making darn sure your 45-90% excape path is clear. With such a small tree, I moght even do teh back cuts with a pole saw so I am already...