Soft nail covers was invented by a veterinarian, Dr. Toby Wexler in US 1990. Soft nail caps for cats and dogs are veterinary approve to stop problem scratching. Soft nail caps for cats and dogs do not interfere with the normal extension and retraction of claws, and most cats don't even know they are wearing them. The humane alternative to declawing, Soft Nail Caps help protect from damage caused by scratching and are economical. Veterinarian developed.