Bushwhacker - Paws n Claws Chew Proof Truck Bed Dog Tether Chain SUV Pet Leash Harness Vehicle Restraint Barrier Cable Tie Out Attaches in seconds to the cargo tie down brackets in the truck bed. Fully adjustable insures proper fit in all truck models. All metal hardware supports the largest of breeds. Completely chew proof. Gives you piece of mind your dog is safe and secure. Wide mouth carabiners easily secure around the largest of tie down brackets.