Answer:
How can you throw a ball as hard as you can, to only have it come back to you, even if it doesnβt bounce off anything?
What has thousands of ribs and two backbones?
What has a neck and no head, two arms but no hands?
Pointing North, South, East, and West it saves the lost and helps the rest. What is it?
If you can get this professional's attention you can get where you need to go for a price.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.