here's the Van's tool and a before and after. Use scraps of aluminum to protect the skin (like in the second picture), rear spar rivets, and spar flange or you'll gouge them when you do the bend.
before and after:
RV-6A. Mattituck TMX O-360, FP, GRT Sport EFIS
N184WM reserved (RV-8)....tail kit done, slow-build wing done, slow-build fuselage in progress.