In this article the author reports on an ethnographic research conducted on the Collective Shopping Ban, a measure taken in the Netherlands in an effort to make shopkeepers co-responsible for maintaining safety and security. By describing the practice of the Collective Shopping Ban in The Hague, he investigates how the involved shopkeepers are dealing with offenses like theft, nuisance, intimidation, and vandalism. The author describes the sociological background of banning orders and what the banning of people means in terms of purification of public space.