Guy wearing glasses, maroon jacket and grey shorts is training this black dog so sit, lay down, and fetch an orange frisbee disc. Dog is being obedient. backyard outdoor day pets animals. Twin dog is just watching. This dog used to be aggressive but i was able to turn it around, Four years later, this is just us having fun. It iss a great success story, I worked with and cared for this dog till it died two years ago. Hendrix was a true badass dog.