Answer:
I can be swallowed But I can also swallow you.
cats and deflation tires make this noise.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.
The more holes you cover the lower I go.
From house to house I go, sometimes narrow, sometimes wide. Whether there's rain or snow, I always stay outside. What am I?
What made Cyclops quit teaching?