Answer:
Vikings use this for warmth.
What number has all letters in alphabetical order when spelled out?
You must keep this thing. Its loss will affect your brothers. For once yours is lost, it will soon be lost by others.
Without a bridle, or a saddle, across a thing I ride a-straddle. And those I ride, by help of me, though almost blind, are made to see.
I can be written, I can be spoken, I can be exposed, I can be broken.
Dark, feathery, and popular in Baltimore and fantasy books.