A woman has left people in shock after revealing why you should always check your pet's paws for calluses and ingrown hairs.
Sabrina Giardina, 46, from New York US, shared a video online urging fellow dog owners to look under their pup's paws, and it quickly went viral.
The Instagram post has racked up more than 130,000 views and is captioned: "Have you seen this on your dog's feet?", with footage showing unusual-looking fur.