Rule 34 Dev - 2014 abs animal_genitalia anthro biceps black_nose blue_eyes boots boxers canine chest_tuft claws clothing erection fahleir firefighter firetruck footwear fur grey_fur grey_hair grin hair hose knot looking_at_viewer male male_only mammal muscles pecs penis pose smile solo standing suspenders tattoo toned topless truck tuft ulric underwear vallhund white_fur white_wolf wolf yellow_fur|1794220896