His dogs assist him from time to time as demonstration dogs in his obedience classes. (thedogdayafternoon.com)
Even though she's older, she's the perfect demonstration dog. (learn2groomdogs.com)
Vinny's own dogs are trained as a classroom demonstration dogs, are Certified Therapy Dogs, have earned titles in agility and obedience, Nosework and «play» at sheepherding. (thecoventryschool.com)