Here you go:
https://www.youtube.com/watch?v=WKY-QYdngNw
If these things work as advertised then they’re probably going to end up replacing iron horseshoes. As that article above notes, the big question is whether mud is going to pop those suckers right off. But if they don’t… well, I’m sure the horses wouldn’t mind not having the business with the nails and the hammer and all that.