Answer:
I'm not really more than holes tied to more holes. I'm strong as good steel, though not as stiff as a pole.
Used on a diamond and left on a board. It's great for a gymnast his grip to restore. What is it?
My first keeps time, my second spends time, my whole tells time.
Don't do this in the shallow end.
This is in a realm of true and in a realm false, but you experience me as you turn and toss.
What language does a billboard speak?