Are you having a tough time training your dog? There are many reasons why dog owners start to use an e-collar as part of the training process. If your dog is always barking, chewing on your sofa, running away and just overall putting you on edge, an e-collar will help you train your pup to behave. Make training an old, or new, dog how to behave with a little help from an e-collar. If you’ve been considering getting an e-collar for your dog, here are the top five reasons to use an e-collar.