Answer:
I am good at concealing what's real and hide what's true. Sometimes I bring out the courage in you!
Why is it so easy to weigh fish?
What goes up and down but does not move?
My teeth are sharp my back is straight to cut things up it is my fate.
I widen my jaws when you poke two fingers in me. I especially like to devour papers
Break me and I am better immediately set and harder to be broken again.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic