Rule 34 Dev - 3d 3girls animal anthro applejack_(mlp) barefoot blue_skin chaps equine feet female female_feral female_only friendship_is_magic furry genitals group hooves-art horn horse mammal my_little_pony penis pony rainbow_dash_(mlp) size_difference smooth_skin splits twilight_sparkle_(mlp) unicorn upside-down upside-down_splits yuri|7872464048