FURVERT!

anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis balls big_penis crotch_shot disembodied_penis equid equine equine_genitalia equine_penis erection feral genital_shot genitals half-erect hi_res horse male mammal mottled mottled_genitalia mottled_penis nude penis penis_shot sheath simple_background solo vein wiredhooves