Answer:
Put into a pit, locked beneath a grate, guarded through the night, yet it still goes out.
It's a game played by serious people that takes place on a global scale.
What is lengthened by being cut at both ends?
What is often returned, but never borrowed/
What is weightless but takes two people to hold it?
I am rarely touched but often held. If you are smart you'll use me well. What am I?