Rule 34 Dev - 2018 4_toes 5_fingers anthro barazoku big_muscles black_claws black_nose bulge canid canine canis claws clothed clothing echin feet fingers flexing fur grey_body grey_fur grin hi_res huge_muscles humanoid_hands looking_at_viewer male male_only mammal muscular muscular_anthro muscular_male smile solo thong toes topless underwear wolf|6301935296