Most people are confused on how to fit their dog's collar properly. While out for a walk, or during training, the collar should be nice and snug - like a watch band, when high up behind the ears. You should be able to comfortably get one finger between the collar and your dog's neck when it is in this position. The reason for having it this snug is so that it won't pull over the dog's head should the dog back up and try to get free. Many will have learned this trick at an ear