Doing that can put some dogs in defense drive where they will either: freeze, run away, or bite as his natural defense mechanism kicks in. (houstonpettalk.com)
If dogs have been trained in a similar way, we can start to incorporate defense drive promotion as part of training. (siriusdog.com)
Dogs who have absolutely no prey desire but very strong defense drive usually start biting OK after these steps. (siriusdog.com)