Answer:
When they are caught, they are thrown away. When they escape, you itch all day.
Brown I am and much admired; many horses have I tried; tire a horse and worry a man; tell me this riddle if you can.
Glittering points that downward thrust. Sparkling spears that never rust.
What can be heard and caught but never seen?
If Mississippi should lend Missouri her New Jersey, what would Delaware?
I always murmur but never talk. Always run but never walk. I have a bed but never sleep, have a mouth but never speak. What am I?