Aduck Hands Free Dog Leash, Premium Lightweight Dog Running Leash, Reflective Dual Handle Bungee Dog Leash for Walking, Jogging or Hiking - 6 Feet, Adjustable 24-42" Waist Belt Reduced injury risk, when running dogs,by using your waist to efficiently absorb forces we can eliminate unwanted stress to the neck and arm Your spine will thank you as the hands free Bungee allows you to walk with a normal stride using a healthy arm swing and an upright posture Walk dogs safe at night with reflective stitching both sides Physical therapist recommended Suitable for any different dog sizes and any breeds (small medium large dogs)