Answer:
Hold the tail, while I fish for you.
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.
Sharp and long, flag of the world. What is it?
What gets closer when you blink?
I run around the city, but I never move.
What is yours but only used by others?