Answer:
What dress does everyone have, but no one wears?
You throw me out when you use me and take me in when you are done.
The eight of us go forth not back to protect our king from a foe's attack. What are we?
What is harder to catch the faster you run?
Never ahead, ever behind, yet flying swiftly past; for a child, I last forever; for an adult, I'm gone too fast. What am I?
Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.