A fulmer with a lozenge as many don't like the nutcracker action of a conventionally jointed bit in my experience, then a NS team up which has a lozenge and is loose ring.
Sorry OP been unable to log in on my phone. I only know Karon as my son had a flatwork lesson with her at BS camp and came out having loved it. And that is quite some achievement! I don't have the number for either but I think they should show up with some googling?
In my experience it hugely affects their value and only once for that reason did I buy one. That was a proven JA pony for my son and so the category of experienced competitor referred to by most others on this thread. I had no trouble selling her either. For amateur's horses or any you might...
It's a heartbreaking thing if you show seriously as you can't do anything to change it. We had one called in first in a hoys qualifying class and moved down because of it which was entirely fair but hard to experience.
We had a very similar issue with A's 14.2 jumping pony in that she was very strong but had a sensitive mouth. Equiport made me a nathe mouthpiece American gag with sides short enough to be pony club legal as well which worked well as did an eggbut slot sided myler with a curved mouthpiece and...