You will need:
clear hollow glass bead (as shown in my last post here)
piece of wire
If I did this again I would try to find a smaller feather so I didn’t have to cut it to bits.
I started by trying to somehow get the whole feather in there. This obviously did not work.
So, I resorted to cutting smaller pieces of the feather and putting them inside.
I used my wire needle technique from the last post to put the chain in. (Demonstrated in my last post)
Added a clasp, and done!