from By oak, ash, and thorn by dj conway
A cloak or mantle covered with bird feathers. I imagine it to be white feathers.
and a white speckled bird headpiece or mask.
crystal mask
robes of different colors for magic working.
https://64.media.tumblr.com/4b976a88deb197ce4e4534de4930f470/tumblr_n975tdlBBJ1r9ds7jo1_1280.jpg