Answer:
It is the assumed nocturnal symbol of Mr. Wayne. What is it?
Give it food and it will live, give it water and it will die.
A tiny bead, like fragile glass, strung along a cord of grass.
My voice is tender, my waist is slender and I'm often invited to play. Yet wherever I go, I must take my bow or else I have nothing to say.
Often held but never touched. Always wet but never rusts. Often bits but seldom bit. To use it well you must have wit.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.