Once a dog is missing it’s easy to see how fast things may go from normal to total panic for many people. A few minutes of not seeing the dog can easily turn into hours of searching, calling and worrying about a Lost dog situation. This is often the time that people start to doubt the safety equipment they rely on day-to-day and start to look for options like the Halo dog collar and the new Halo collar 4. What was once just another pet gadget begins to feel more like a must-h