Here's why:
* Blanket: It's called a blanket because it's a layer of fabric that goes under the saddle to provide cushioning and protection for the horse's back.
* Pad: The term "pad" is also commonly used to refer to the same item, as it acts as a protective pad between the saddle and the horse.
It's important to note that the terms "saddle blanket" and "saddle pad" are often used interchangeably.