Answer:
When Iām metal or wood, I help you get home. When Iām flesh and Iām blood, In the darkness I roam.
It's been around for millions of years, but is never more than a month old. What is it?
Snake coiled round and round. Snake deep below the ground. Snake that's never had a head. Snake that binds but not with dread.
Once they sailed the sea, now they surf the web
This only turns over once you have travelled very far. What is it?
You use it between your head and your toes, the more it works the thinner it grows.