Has anyone heard of this? Some people have come up with a dressage simulator.
I can see this device being useful to see how one's position is. It tells you whether you are on center and how your legs and reins are. However, it isn't practical to have one at home because the price is somewhere in the 30-70k range. I'd hop on one if I had the chance, but I wouldn't buy one. What do you think?