I finally got the nerve to curl one of the Argus Feathers. I experimented on the most chewed one. I couldn't get the splits in the flues back together so instead I pinched the spine between my thumb nail and index finger on the under side until it gave way. I did this pinching about every 1/8 inch. I could have used my Palette Knife that I use to curl feathers but, I felt I had a little more control doing without the knife. After all I have been known to ruin a good feather.