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.
Although it sounds like I work on a transportation device I actually work in a restaurant.
The 8 of us go forth and back to protect our king from a foes attack
I go inside boots and outside shoes.
You cannot keep me until you have given me. What am I?
When is it bad luck to see a black cat?