Answer:
What can be cracked before it's used?
You throw me away, I find my way back. Traditionally, I'm wooden with an arch in my back. What am I?
I have every color but no gold.
Lovely and round I shine with pale light grown in the darkness a lady's delight.
If you look, you cannot see me. And if you see me, you cannot see anything else. I can make anything you want happen, but later everything goes back to normal. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.