Comfort and Durability:The Freedom no-pull harness has a soft velvet lining on the strap that goes behind the legs to prevent sores that sometimes occur with harnesses. This well made harness will stand up to daily use by even the strongest dog.Perfect for all dogs: Great control, four points of adjustment and maximum comfort and safety make the Freedom harness perfect for puppies, adult and senior dogs of all breeds. Also great for dogs with amputations, arthritis or other injuries.Stop pulling!: Attaching leash to back martingale loop allows your dog to walk in a straight line and discourage pulling. Attach to the front chest ring to steer. Use a double-ended leash to connect to front and back of the harness for more control.