Answer:
What water can you eat and chew?
London bridge
I saw a strange creature. Long, hard, and straight, thrusting into a round, dark opening. Preparing to discharge its load of lives. Puffing and squealing noises accompanied it, then a final screech as it slowed and stopped.
Has its teeth on your head but doesn't bite
If you happen to possess two left feet, this profession will probably rule out of your prospects
I am carried by mad animals.