Answer:
Blade to blade I always win My foe laid low and even. Yard by yard through thick and thin I'm busiest in season.
I'm not really more than holes tied to more holes; I'm strong as good steel, though not as stiff as a pole.
What room do ghosts avoid?
You cannot keep me until you have given me. What am I?
I have keys but no locks. I have space but no room. You can enter but can't go outside. What am I?
I flow from the Homerβs mouth when he sees doughnuts.