Answer:
lighter than feather and softer than silk yet the strongest man in the world cannot hold me for more than a few minutes.
I am in the past never in the future. I don't exist but have existed. I saw what you saw and that is what I will ever see.
You throw me out when you use me and take me in when you are done. What am I?
I make a loud noise when changing jacket. I become bigger and delicious.
Crooked as a rainbow and slick as a plate, ten thousand horses can't pull me straight. What am I?
Dark, feathery, and popular in Baltimore and fantasy books.