Answer:
Flat as a leaf, round as a ring. Has two eyes, can't see a thing.
I am never quite what I appear to be. Straight-forward I seem, but it's only skin deep. For mystery most often lies beneath my simple speech. Sharpen your wits, open your eyes, look beyond my exteriors, read me backwards, forwards, upside down. Think and answer the question...
What is it that given one, youβll have either two or none?
Blend a teapot shot so the pearlies wonβt rot!
I am black when I am clean and white when I am dirty?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.