rule 34 abs anthro anus armpit hair ass athletic backsack balls bed bedroom black body black fur body hair book boxer briefs boxers clothing brown body brown fur bulge canid canine canis cellphone chest hair clothed clothing detailed background domestic erection erection under clothing fur furniture genitals german shepherd hand on head herding male male only mammal muscular muscular anthro muscular male navel pastoral phone pillow raised tail red clothing red underwear rowan shep sleeping smile solo tuft underwear wagnermutt white body white fur 4065819