in mlp every a pegasus or alicorn do the wing opening were is not for flying , the pony be surprice or be only do show off! but never do for sex meaning! the wing are not do like mlp friendship is violence! this stupid! sure the wing move sometime follow the the way of the emotion! like fluttershy be super happy! or twilight be far over reacted(like the episode she hit her self to top of the room and fall to the floor!)