He makes his way around toward the exit by running across people's tables. It is rude, but other patrons scoot back, some of them are quick enough to snatch their beers out of his way, and no one gives him any hassles. The sight of the bare katana inspires everyone to a practically Nipponese level of politeness. There are a couple more New South Africans blocking Hiro's way out, but not because they want to stop anyone. It's just where they happen to be standing when they go into shock. Hiro decides, reflexively, not to kill them.