Answer:
What kind of cheese is made backwards?
I can be swallowed But I can also swallow you.
I am heavy forward, but backward I'm not. What am I?
Lighter than what I am made of, more of me is hidden than is seen. What am I?
You throw me out when you want to use me, but take me in when you donβt want to use me. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.