Answer:
Defends your noggin from the hard pavement
The negative hero in each story
The land was white the seed was black. It'll take a good scholar to riddle me that.
No matter how little or how much you use me, you change me every month. What am I?
I always run but never walk, I sometimes sing but cannot talk, No head on which a hat to place, You always look me in the face.
What is always coming but never arrives?