Answer:
What can be swallowed, But can also swallow you?
During the 1800's these turned women into hourglasses and is becoming more popular again these days
What can bring back the dead. Make us cry, make us laugh, make us young. Born in an instant yet lasts a life time?
I work when I play and play when I work.
I am nothing but holes tied to holes, yet am strong as iron.
I have two eyes in the front and a lot of eyes on my tail