It has been 32 years since a team last won four Dewar Shield premierships in a row. Harlequins will get their chance to break the drought this Saturday when they face Melbourne in the grand final at RHL Sparks Reserve. Melbourne are no strangers to the situation Harlequins find themselves in – they were the last team to fall short of four premierships in a row. Coach Tumai Edwards said the Unicorns will need to be at their best if they want to usher in a changing of the guard. “It would be a nice change to have a different club win it, but in saying that, they're a very quality side and a very successful club. We've got to put in our best performance to beat them." With a shot at history on the line, Harelquins coach Pom Simona said his team is focusing on treating the game as a one-off. "The other games we’re played throughout the year won't mean anything to them, or us. This is a one-off game, anything can happen and that's how we're treating it. "We haven't really spoken