Answer:
Often held but never touched. Always wet but never rusts. Often bits but seldom bit. To use it well you must have wit.
Long and slinky like a trout, never sings till it's guts come out.
I cannot be other than what I am, until the man who made me dies. Power and glory will fall to me finally. Only when he last closes his eyes.
What is that over the head and under the hat?
Left to right Iām quite bright. Right to left I might bite.
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.