It would be great to be able to do away with all the problems with swages, turnbuckles, corrosion, and rig tension but this technology is still in the experimental stage. One of the towing companies around LI Sound tried to kedge one of these off by the mast and wound up snapping it. It was a carbon fiber mast and, from what I heard, prohibitively expensive to replace. So apparently kedging yourself off by using the mast to heel the boat over is a tactic removed from the book of tricks with one of these.
Alberg 35: With a philosophical flourish Cato throws himself upon his sword; I quietly take to the ship.