Answer:
Slayer of regrets, old and new, sought by many, found by few.
What can be seen but never found that only hides in the unwound?
During the 1800's these turned women into hourglasses and is becoming more popular again these days
My teeth are sharp, my back is straight, to cut things up it is my fate.
A tree with 5 branches, no leaves and no fruits
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.