in traffic, they didn t appear to be that upset. even though it s causing headaches. using the tactics in new york, even if police don t move the crowd along, the crowd may move off and turn in a different direction, continue to follow this demonstration in chicago. up next, we want to take a closer look at the choke hald that was used on eric garner, the tactic banned by the new york city police department. found out firsthand what it s like. police in new york banned the practice and banned it long ago.