Answer:
A muttered rumble was heard from the pen, and I, in my walking stopped to look in. What was this I saw? A massive beast, hoofed, and jawed. With spikes upon its mighty brow, I watched as he struck the turf and prowled. And yet for all of his magnificence, he couldn't get out of that wooden fence.
I'm not man's best friend, I'm their enemy, I can mark your end, yet you do not see me, I am very small, but very tough, If you have me, then you have it rough.
Held firmly in the hands, like a sword it cuts deep. Bloodless strokes, all, then forward we leap.
Slayer of regrets, old and new, sought by many, found by few.
A word of five letters, Upside down is the same, A shark does this, But itβs not to blame. What is the word?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.