I would definitely get a video of him moving if possible. Many friesians (and saddlebreds, unfortunately) have a habit of being 'leg-movers', where there is a LOT of hock action, an no back action. This means their back legs hardly take any weight, and getting them to collect is a skill that not many trainers posses! What you want is a 'back-mover'. Friesians are known for having weak loins, and your guy seems a little weak behind as well... would have to see a video.
Having a Friesian sporthorse myself, however, I'm partial to them. ;) They mature late so remember to take it easy with him if you do get him, and he does look pretty! Just don't know if he'd be able to do what you'd like.
Dressage in Jeans
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