Why couldn't you purchase hair in your color or even a lighter shade and color it. Then using product to hold the hair together, form the bow and then lacquer it, so it hardens -- and then clip it in like a hair piece.
For some fashion or hair shows balloons are blown up, the hair formed around them, sprayed with the firmest holding product. The balloons are popped and removed; the hair maintaining the pre-popped shape.
Years ago I used real dreds that had been cut off. Washed them, bleached them, colored them and then pinned them into my hair and went clubbing. Be creative!!! Went to see the movie Brazil with my hair teased so high, I had to open the sun roof (in the rain) to be able to get to the theater. Thank heavens for umbrellas and sun roofs.