PawZ Rubber Dog Boots
If you see that your dog has difficulty with a (too) slippery surface, or due to surgery or age, there is less stability, then these can help to prevent sliding.
Shoes with soles
These shoes provide the protection of the dog's paws, outdoors, on rougher terrain. Or if your dog drags with his paws. Can possibly be supplemented with a TEEN on help.
Protective dog shoes
Neoprene Orthopedic High Performance Outdoor Shoes for Dogs. These shoes are ideal for protection against wounds caused by trailing legs. They can be used in rain and snow and are suitable for water sports.