Answer:
Tickle with your fingers and a song it will sing. Be careful, though, you may break a string. What is it?
What is always coming every day, but never arrives until the next?
Whipping one of these out in the wrong setting is said to be terrible luck.
Glittering points that downward thrust. Sparkling spears that do not rust. What is it?
Consuming food would be pretty tough without these chompers
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?