Answer:
What goes through cities and fields but never moves?
I sit in a corner while travelling around the world.
Use me to reward good behavior.
I take off my clothes when you put on your clothes. I put on my clothes when you take off your clothes
When I come in from sea to shore twenty paces you'll see No less no more.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.