Answer:
You use it between your head and your toes, the more it works the thinner it grows.
A mile from end to end, yet as close to as a friend. A precious commodity, freely given. Seen on the dead and on the living. Found on the rich, poor, short and tall, but shared among children most of all.
Though I have neither legs nor feet, my use is for to go; Although I cannot speak, I tell what others want to know
What is eaten but not grown and was born in water but will disappear if soaked?
An open ended barrel, it is shaped like a hive. It is filled with the flesh, and the flesh is alive!
What language does a billboard speak?