FURVERT!

anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anus arsauron backsack ball_tugging balls bdsm big_balls bondage bound butt dock_(anatomy)draft_horse equid equine equine_anus equine_genitalia equine_penis feral fur genitals greame grey_body grey_fur heiken hi_res hooves horse male mammal mottled mottled_genitalia mottled_penis penis percheron puffy_anus quadruped raised_tail restrained restraints rope rope_bondage solo tail tail_anus