Rule 34 Dev - abs animal_genitalia animal_penis anthro ball_rope balls bdsm biceps big_balls black_balls black_genitals black_nipples black_penis black_sheath bodily_fluids bondage bound equine_balls equine_genitalia equine_penis fully_sheathed fur genital_rope genitals green_eyes hands_behind_back looking_at_viewer male muscular muscular_anthro muscular_male navel nipple_piercing nipples pecs penis piercing restraints rope rope_around_balls rope_bondage sheath solo striped_body striped_fur stripes sweat vein veiny_balls veiny_chest veiny_muscles veiny_penis veiny_thighs kobu_art equid equine horse mammal zebra donovan_(disambiguation) equine_sheath absurd_res hi_res|10054674455