Answer:
Better touch me before you proceed to second.
I am a protector. I sit on a bridge. One person can see right through me while others wonder what I hide.
I always run but never walk often murmur but never talk have a bed but never sleep has a mouth but never eat.
You shoot me but I don't die. You hang me but I don't die. What am I?
Why is it so easy to weigh fish?
Why was the cook arrested?