Originally Posted by Arksly
I had looked at that thread, and then I got confused, so I had to ask.
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I know one of my pictures in that thread disappeared so my post looks a bit disjointed.
Read up on it on ultimate dressage (where the two pictures I posted in this thread are from).
Anyways, the rule book refers to the skeletal poll as the highest point. Any fatty deposits along the crest are ignored. The best way to tell if the horse is correctly "on the bit" is to look at the shape of the musculature of the neck.