I always recommend that you at least start off with a curb sleeve in order to soften the action of the curb chain in the chin groove. The chin groove is a very sensitive, bony area. Once the doubles are established the continued use of the sleeve would hinge on the horse’s way of going.
Impulsion is the movement of a horse when it is going forward with controlled power. In relation to collection, impulsion helps a horse effectively use the power in its hindquarters. […]