Kitten great advice and it definitely helps to switch directions and do something other than just the circle. That was just a clip and my trainer was having me work on it for a minute (and the other half of the arena was being used by another lesson so we weren't able to use full arena unfortunately), but normally she has me change directions through the circle and transition up and down, etc. just to make sure she stays focused.
I agree with you on the inconsistent contact, I find myself doing that a LOT in these videos. It's almost like I'm afraid of the consistent contact because then she tends to hang on my hands, so as soon as she gives I almost let go a bit, which is causing other problems (like the tossing of the head I think I'm finding). Any tips on how to try to get myself out of the habit of the inconsistent contact?
"The times when you have seen only one set of footprints in the sand, is when I carried you..."