Answer:
It can be done to buttons and shopping carts. What is it?
What do you have in December that you don't have in any other month?
There is an ancient invention still used in some parts of the world today that allows people to see through walls. What is it?
What goes through towns and over hills but never moves?
My second is performed by my first, and it is thought a thief by the marks of my whole might be caught.
What never gets any wetter no matter how hard it rains?