How to make shadow costume?

Where there is light, there is shadow. people always pay a lot attention on the characters, but almost zero attention on the shadows that their best friends. and at the cosplay events or parties, we also seldom see the shadow cosplayers. so, if you take shadow costume into your consideration, you will be really special.
So here we are going to talk about the way to make a shadow costume. shadow is always all black, then, you costume need to be totally balck. now, let's take peter pan as an example.

The final peter pan shadow costume is really amazing, right? you need to find a black lycra zentai suit based on your size, add to that a yard of black felt and a black feather to make the tunic, belt, and hat. then the shadow of peter pan is done. and maybe you will find your peter pan at the party.
The way of making other shadow costumes is almost the same, get the black zentai suit and add the main factors to it, that's all.