If I were taught how to do this, I would do it, for cheaper. The process is not hard. After reading Kojima's article, I think I want to try this myself first.
Make three brackets for the beam to take the stress, get a hydraulic bottle jack, one big piece of iron, and two length of chains. Bend the beam out to zero begrees and enjoy.
Make three brackets for the beam to take the stress, get a hydraulic bottle jack, one big piece of iron, and two length of chains. Bend the beam out to zero begrees and enjoy.