2 x Lightweighting aluminium Buckle (2800N ) on Dog Shoulder Position which the most Load Bearing Point When Dog Pulling, 2 x Plastic buckle (1200N ) on Chest Position;Sewing by Bartack and X in Box Pattern on Each Joint and Heavy load Point [NO PULL/SAFETY CONTROL]: Connect leash to No pull front clip,redirect the dog forward motion and make dog's leg off the ground ,Allow you to Control the puller with few effort and training your dog to walk beside you; Back Leash Clip for well-trained dog normal Walking;Durable Handle is Sewn Tough and Large Enough to Grab the Harness Quickly and Easily When Walking in Crowd ,Also Lift Your Dog When Getting in/out of the Car [HANDS FREE CARRYING ]:Two 1" Strips of Molle (Small: 3 x Hook & 2 x Loop ; Medium: 4 x Hook & 2 x Loop ;Large/X-Large:5 x Hook & 2 x Loop) Sewn Onto Both Side,Allow Your Dog to Carry Gear in Training / Daily Walking/Adventure Hiking, it Compatible with Molle /PALs Pouch,You Can Aslo Hook Dog Bowl,Water Bottle and Toy Through D shape Carabiner (No included)