Tuigen or feather cloak for spirit-walking

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