Do you have an old green wool sweater? If you do don't throw it away! If you don't you can easily buy one from your local thrift/charity shop.
You can then make the cutest Christmas tree pillow with it. No Christmas tree is complete without decoration then use your yarns scraps to make some cute colorful pom poms to decorate your tree.
This pillow will bring festive cheer to any couch or den.