Testing and Selecting German Shepherd Puppies for work Kevin Potty Train Puppies Videos ShareTweet Selecting and also examining pups for authorities or security job. www.shieldk9.ca. source ShareTweet Leave a comment Related Posts POTTY TRAINING YOUR PUPPY Saint Bernard Potty Training from World-Famous Dog Trainer Zak George – Train a Saint Bernard Puppy How to STOP PUPPY BITING! (Cesar911 Shorts)