Uses: Arthritis, Limb Mobility, Stability, Weak Leg Support, Aging Pets, Torn ACL or CCL, Cruciate Ligament, Wound Protection, Injury Prevention, Hock Support Our NeoAlly® Dog Rear Leg Brace with Metal Supports for large dogs is made of durable semi-rigid materials that provide strong stabilization for your dog’s lower back leg joints and bones. Our signature design has removable metal strips that form a splint around your pet’s legs while not hindering movement or irritating skin.  Hock braces help pets who suffer from weak hind legs (ankles) due to injury, arthritis, age, or other ailments that affect mobility. Recommended by veterinarians.