Horses must consent to participation; challenge without threat!
The horse is allowed to say no.
The horse is free to leave the session at any time.
The horse has access to other food, and doesn't feel pressured to work with you because they are hungry.
No punishment allowed (real or perceived threats or actions of violence).
Horses must be free to self-organize their movement.
No preventing the horse from showing specific movements (with the exception of hollowing the back when being ridden).
No microshaping the horse into a movement (ie, using seat, and leg, and rein, and targets, and... to shape the horse into a straight walk).
No restraining gadgets such as draw reins are permitted.
Participants and spectators must behave respectfully to others.
Videos must meet all requirements.