rule 34 2023 abs absurd res anthro bert blackclownowo biceps blackclown00 brown body brown fur brown hair brown nipples canid canine canis chest tuft claws clothed clothing deltoids domestic fur german shepherd gloves marking grey background hair hand on ear hand on head herding hi res jockstrap jockstrap only looking at viewer male mammal markings muscular muscular anthro muscular male muscular thighs navel nipples obliques pastoral pecs serratus simple background sitting solo toe claws topless tuft underwear underwear only 8979727