Almost every Dutch woman encounters it at some point, and some girls and women even encounter it multiple times: the pencil vendor. It sounds so innocent and is often dismissed as a "minor" offense, but this disruptive experience can leave deep and lasting scars on those who experience it. It remains an extremely intimidating experience when you're suddenly confronted on the street by a man who exposes his underwear. Victims of sexual assault speak openly about the consequences of their unsolicited encounter with sexually deviant behavior in men. And what drives a man to do this?