Answer:
Held firmly in the hands, like a sword it cuts deep. Bloodless strokes, all, then forward we leap.
What can you share and still have all for yourself?
My first is an insect; my second is a border; my whole puts the face in a tuneful disorder.
What has a mouth but can't chew?
This is in a realm of true and in a realm false, but you experience me as you turn and toss.
Why was the cook arrested?