Rule 34 Dev - abs animal_genitalia animal_penis anthro ball_gag balls big_penis black_balls black_body black_fur black_hair blacky_the_stallion bondage bondage bound brown_body brown_fur canid canine canine_penis canis chair domestic_dog domination duo ear_piercing ear_ring equid equine equine_penis erection eyebrow_piercing facial_piercing fur fur_markings furniture gag genitals german_shepherd hair hands_tied herding_dog hi_res horse knot lip_piercing male male/male mammal markings medial_ring muscular ninetht pastoral_dog pecs penis penis_size_difference piercing riding_crop rope rope_bondage size_difference smile tan_body tan_fur tattoo vein veiny_penis whip white_body white_fur|4778757728