Answer:
What has a neck but no head?
Weight in my belly, trees on my back, nails in my ribs, feet I do lack. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.
I help engines spin and pants stay up
I cover what's real; hide what is true, but sometimes bring out the courage in you. What am I?
When is it bad luck to see a black cat?