The Coats of domestic dogs are of two varieties: "double" being common in dogs (as well as wolves) originating from colder climates, produced up of the coarse guard hair as well as a gentle down hair, or "solitary", Along with the topcoat only. Breeds could have an occasional "blaze", https://filmmakingandfilmediting36677.newsbloger.com/32355927/getting-my-dogs-to-work