Let the process running: Loops, Puffs and Funk! This ribbon design idea was orginated from some other designs for the ornaments that customer order. You can do this by surround it with a bow lease note. In case you want to have a fuller pom pom, you may just make use of even more ribbon strips.
You will need to make your own measurements on how long the ribbon that you intend to use for making this. If you want more pom pom round for your hairbow, you may simply pull the thread tighter. And if you wish to have more oblong shape then you may just pull it and make it a little looser.