Answer:
Glittering points that downward thrust. Sparkling spears that never rust.
You can only have it once you have given it.
I bind it and it walks. I loose it and it stops.
Who eats a lot of iron without getting sick?
They have not flesh, nor feathers, nor scales, nor bone. Yet they have fingers and thumbs of their own.
What did the piece of wood say when he saw the screwdriver and screws approaching?