Most dogs sport collars with a clip for a leash and to carry their dog tags. But for training and controlling your dog, a harness is a much better option. We’ve all seen those collared dogs gasping while their owners turf-surf behind them. Harnesses can combat pulling, aid in training, adapt to secure your dog in a vehicle, and are great for working out with your dog running alongside you or your bike. There are harnesses with front hooks, others with back attachments, and still others are hybrid arrangements that include both. Here’s how to choose the best for your dog.