Abstract: A method of calming an animal with an animal calming vest that includes disposing the animal calming vest on the back of the animal. The animal calming vest includes a jacket, a first pair of coupling arms extending from the jacket, a second pair of coupling arms extending from the jacket, a collar extending from the jacket, and a collar weight disposed within an internal collar cavity of the collar. The method further includes releasably coupling the first pair of coupling arms of the animal calming vest about the neck and chest of the animal; and releasably coupling the second pair of coupling arms of the animal calming vest about the torso of the animal. Coupling the animal calming vest about the animal generates a calming effect in the animal.