Our Techno Harness is a choke-free center-of-gravity harness that prevents trachea, hip, spine and organ injury in dogs 8-175 lbs. The patented material we incorporate into the Techno Harness is also utilized inside NASA astronauts' spacesuits. This material actually absorbs or disperses heat when your dog is hot or cold. More features include: an emergency handle for lift-on-demand, and fully curved buckles to prevent friction. The Techno Harness can also buckle directly into any vehicle using our Universal Seat Belt.