How was the Chilkat Blanket used? Discuss the formal qualities and style

What will be an ideal response?

Essay responses should include these points:
The blanket was worn and the shapes and design became three-dimensional.
This was created for a dynamic display of ritual and performance, not for detached observation.
The forms are abstract but represent a distorted, exaggerated raven.
The weaving highlights circular and square forms with continuous thick black lines and outlines.