There are may ways to strip the herl from a peacock eye feather to get just the remaining quill but I thought the following method is a little different and worth some viewing. Some of you may already be doing this method but I just found out about it recently.
The tutorial is in the following link. It site is in German, so get those translators ready.
The other methods of stripping peacock herl includes bleaching the feather, using an eraser and the good old scraping with your thumb nail.