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My first invention for the grip world. This shows the TrackJack (tm) in action. A simple system for repositioning a dolly without taking it off of the track. Saves time and manpower on a studio or other smooth floored shoot. To everyone who keeps asking when and where they can buy a set, I have some news: I sold the patent and rights to a key grip based out of NYC named Rick Compeau. He plans on manufacturing the TrackJacks in the near future. Rick will then sell sets of them to the relief of tired grips everywhere. Info will be available at (coming soon) Keep on Grippin and Rippin, stian BTW, I read a comment some fool left on a blog saying that TrackJacks stretch the track. First of all this idiot could not have ever seen a set in action for himself because there is only 3 prototypes in the world and I know where they are and have been. Secondly they lift the track by hooking the lip built into the profile of FilmAir and similar track. They do not work on the old, rou
