We just got a tens machine from HEB. It's amazing! I'm going to start my horses in real work again soon, slowly bringing them back to running barrels. Royal really needs her back built up. Obviously the goal is not to make them sore, but would the tens machine be of any benefit to them? How would I keep the pads on them? Would they think it's shocks like an electric fence? To me it doesn't feel like a shock.