An e-collar does NOT fix reactivity nor does it necessarily make a dog reactive â Itâs simply a communication tool and shouldnât be used before a dog understands: Engagement Markers Leash pressure Basic obedience cues The collar keeps communication clear & works best once the relationship is already established. It doesnât solve anything just by having it. In fact, used incorrectly, it can make things worse. Got a question on reactivity? Drop it below. And keep tuning into the series where Iâll be breaking down more myths! #reactivedog #dogtraining #ecollartechnologies #aggressivedog #maryland