A dog harness is a piece of equipment designed to secure a dog while walking or exercising. Unlike a traditional collar, which can put pressure on a dog's neck, a harness distributes the force across the dog's body, making it safer and more comfortable. Harnesses come in various styles, including front-clip and back-clip options, catering to different needs and preferences. Many dog owners choose harnesses for training purposes, as they can help control pulling behavior. Additionally, harnesses are beneficial for small breeds or senior dogs that may have neck issues. Overall, a dog harness promotes safety and comfort during outdoor activities.