Answer:
Break me and I am better immediately set and harder to be broken again.
Without a bridle, or a saddle, across a thing I ride a-straddle. And those I ride, by help of me, though almost blind, are made to see. What am I?
So simple, that I can only point. Yet I guide men all over the world.
What is easy to spot but hard to find?
The 8 of us go forth and not back to protect our king from a foe's attack. What am I?
What language does a billboard speak?