Rule 34 Dev - 2017 3_toes 5_fingers abs animal_genitalia animal_penis anthro balls big_balls big_penis black_nose brown_hair canine canine_penis crouching erection eyebrows fingerpads flopped_ear fur gausswolf hair hi_res knot looking_at_viewer male male_only mammal marjani multicolored_fur muscular nipples pawpads paws penis red_fur red_penis sheath simple_background smile solo toes two_tone_fur vein white_fur yellow_eyes|2768583096