i need to figure out how to MAKE this jacket?

Question

http://www.amazon.com/Vampire-Knight-2/dp/1421511304

click on the cover of the book that comes up. see the blazer with the wings? i need to know how to do wings like that. the blazer itself will cause me no problems, but i have zero idea how i could do those wings, and i really want a jacket like that. if anyone has any idea how i could make those wings, please let me know!