I love the concept of the Prevent feeder, but it wouldn't work for my bratty bunch. They don't fling their feed around. They do tend to play musical buckets if we don't tie them up when we feed them...but every single one of them tip their feed tubs over and eat their feed from the ground. We tried tying old tires to the fence posts and setting their tubs down in the tires - the theory being that it would make the feed tubs harder to tip over. The theory was correct. The tubs were much harder to tip over, so every stinkin' one of the horses would grab a mouthful, then work diligently to find a way to tip the bucket over while they were chewing the first mouthful. Daughter's big gelding figured out he could grab the edge of the tub and lift it, which dumps the feed on the ground. Now most of the horses grab the edge of the tub and tip it over. I give UP! Now we just add a supplement to their feed (Omega Horseshine) that has flax and PSYLLIUMto their diet every day and HOPE they don't get more sand in their gut than their systems can handle.