Rule 34 - Animal Genitalia Animal Penis Anthro Appaloosa Aroused Balls Black Hair Black Hooves Black Mane Blaze (marking) Blue Eyes Blush Bodily Fluids Draft Horse Equid Equine Equine Balls Equine Genitalia Equine Penis Equine Sheath Erection Facial Markings Flared Penis Fur Genitals Grey Balls Grey Body Grey Fur Grey Sheath Hair Half-closed Eyes Head Markings Hi Res Holding Own Penis Holding Penis Hooves Horse Imminent Orgasm Looking At Viewer Looking Pleasured Male Mammal Mane Markings Masturbation Mottled Mottled Genitalia Mottled Penis Narrowed Eyes Open Mouth Penis Sheath Sitting Smile Solo Sweat Teeth Teeth Showing Tongue Touching Own Penis Touching Penis Vein Veiny Penis Vincedots