This shows some progressions that were made in teaching a dog to maintain contact with a person and still bark. This was done only for demonstration purposes in showing that you could put any behavior anywhere that you want off-leash and using the Sit Means Sit remote dog training collar. Bite and bark on command are shown in this clip. For more information on the Sit Means Sit collar please see: www.sitmeanssit.com Fred Hassen and 'Nash' are in this police dog demonstration video