Joe, I believe at break over (but I have to come out and look at him moving in a ring again as I'm not sure). As I said vet is fine with him riding - he's definitely not in pain and wants to work. The owner is going to call chiro and aquap to see if they can somewhat help with the issue (OKed by vet), but it's unlikely to go away completely.
jaydee, he only rides in a ring with soft footing. Yes, I've heard about glue-ons, will look into that, but I remember hearing very mixed opinions from farriers about them.
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