Answer:
You can catch me but cannot throw me. What am I?
Against the sun I protect your eyes and am often worn on the face of spies
I am higher than the king
When I am caught I am thrown away. When I escape you itch all day.
I am a fruit. If you take away the first letter of my name I become a crime. What am I?
No matter how little or how much you use me, you change me every month.