Powder hound, Cash, kicks off his off leash board and train! This handsome GSD did puppy imprinting when he was 10 weeks old...he did his first 3 week board and train last summer as a 5 month old, now he’s back to take his on leash skills off leash! #germanshepherdsofinstagram #germanshepherd #dogtrainingmissoula #runyourpack