Lock Up Your Grandmas

There's about a dozen motorcycles parked by the side of the road, but it's not menace that has ridden into Bulahdelah, 100 km north of Newcastle. These bikers have no interest in the liquids on offer in the bright-yellow Plough Inn. Rather, they sip tea and coffee in a sun-drenched park behind the library. And the color of some of the men's hair: that isn't blond or platinum, it's gray. None of these blokes is younger than 45; a couple are over 70.

This group isn't called anything. It does have a leader, 61-year-old Warren Bramble, who's ignored...