A tried and true massage location, the ears are very sensitive sites. At the base of the ear, gently rub your knuckles in true noogie fashion. (To make a noogie form a half fist with your knuckles sticking out.)
97 Ways to Make a Dog Smile, by Jenny Langbehn
By sharing our concerns and successes, we all benefit.
Animals live to serve us one way or another, so knowing how to take care of them is critical for our mutual well being.