Training with the Halo Collar 5 might feel very different after the initial adjustments and training session. There is a lot of information to take in during the first training sessions on the app, the training restrictions, and the procedure. But in the end, all that knowledge is absorbed into the normal routine. This is a great illustration of how two dogs may react to the same training program, Luna and Astro. Luna is mostly an indoor pet; Astro loves to see new places and