The Half Halt Explained - Ridewelltraining: Lisa Hamilton event rider offering lessons, instruction, training, coaching, dressage and eventing, surrey hampshire sussex and kent.Lessons on a schoolmaster available, intro pre-novice and novice training, cross country clinics and jumping and gridwork clinics, grid work, jumping lessons.Horses, eventing and dressagelessons.,Horse training, Horse trainer, Riding lessons.