A leash is a long, flexible strap used to control and guide pets, especially dogs. It attaches to a collar or harness, allowing owners to keep their pets close while walking or training. Leashes come in various materials, such as nylon or leather, and can be different lengths and widths to suit different sizes of pets. Using a leash is important for safety, as it helps prevent pets from running away or getting into dangerous situations. It also promotes good behavior by encouraging pets to stay by their owner's side. Many people enjoy using leashes during outdoor activities, like hiking or visiting parks.