I would never pat a strange dog on the head, but with my own guys I scratch/pat them wherever I want to. In fact often if I old my hand out they will put their heads in it to be scratched. And I also rub/scratch/pat them on their chests, sides and rumps.
Gayle ... Slider, Bruiser & Faith
At the Bridge: Andy, Abbey, Tasha, Tex, Echo, Yukon, JR, Too, Niki, Bo, Ringer, Kelly, Honey & Mac