Answer:
What is full of holes, but can still hold a lot of water?
What is never used unless it's in a tight place?
What points the way without a hand. It floats on water but exists on land?
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.
If you're stealing honey, be prepared to receive vengeance in this form.
You use it between your head and your toes, the more it works the thinner it grows.