FURVERT!

2013 anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anthro balls big_balls big_penis biped black_balls black_bars black_penis close-up crotch_shot equid equine equine_balls equine_genitalia equine_penis erection fur genitals glans glistening greyscale half-erect huge_penis letterbox male mammal monochrome nude penis sheath solo standing stripes text urethra url vein veiny_penis vorry white_body white_fur zebra