Rule 34 Dev - animal_genitalia animal_penis anthro axe balls big_balls black_balls dark_hair detailed_background digital_media_(artwork) equid equine equine_penis erection fingers genitals grass hair hooves horse humanoid looking_at_viewer male male_only mammal melee_weapon muscular nude outside penis slim smile solo stump tree tree_stump weapon woodcutting_axe zeym|4427386856