Answer:
Sharp and long, flag of the world. What is it?
There are two meanings to me. With one I may need to be broken, with the other I hold on. My favorite characteristic is my charming dimple.
What goes in the water black and comes out red?
Long and slinky like a trout, never sings till it's guts come out.
Walk on the living, they don’t even mumble, Walk on the dead, they mutter and grumble. What are they?
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?