Answer:
A setting that proved to be deadly for Abraham Lincoln.
What do you have in December that you don't have in any other month?
Defends your noggin from the hard pavement
What cleans as it gets dirty only to get clean the more you use it?
I have eighty-eight keys but cannot open a single door? What am I?
If a rooster lays an egg on the exact peak of a barn, which side does it fall?