Featuring an innovative design with human and dog ergonomics in mind, the dog leash is robust and manages to achieve an ideal counterweight balance and feel. The ring design allows for both traditional handheld use or you can go totally hands-free by putting your arm through. This is useful when you need to do something momentarily with both hands or have an injury. It’s aesthetically appealing with a modern design along with practicality embedded into its clever design. The lights are USB rechargeable.