“Hopefully this strike will have a domino effect,” says Westwood, who is hoping other warehouses will follow Coventry’s example. The Coventry strike is expected to last for 24 hours, but organizers could announce further dates. Getting to this point has been a slog: Employees in the UK can’t just walk off the job—first a union has to mail ballots to workers’ homes then persuade a majority to return them, voting in favor of a strike.