The Gladiator K‑Nine Collar™ uses patented SemiCera® far‑infrared ceramic technology—activated by your dog’s body heat—to provide continuous, non‑invasive stress and anxiety relief. Lightweight, waterproof and adjustable for all breeds, it gently stimulates the brain and cerebellum to ease muscle tension, improve emotional regulation, and support training. Battery-free and toxin-free, it offers safe, consistent therapeutic benefits without medication. Proudly made in the USA, this durable collar delivers clinical-strength FIR therapy for everyday comfort—from home and travel to high-stress moments like thunderstorms.