Answer:
My teeth help me suck.
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
What do you get when you cross a cow with a trampoline?
People need me, yet they give me away every day. What am I?
I don't live within a house nor do I live without. Most will use me when they come in and again when they go out.
When is it bad luck to see a black cat?