It was just this feeling of we know what to do and we know how to do it, so let's just go out and execute."As they prepare to face Fijian Drua in Saturday's grand final in Ba, Fiji, the Waratahs have reason to be in a confident mood.Last Saturday against the Force in Perth, the defending champions produced arguably the best 40 minutes of rugby from any side this season.They ran in four tries during the first half and led 26-0 before the Force were able to score their first points.The Force, who earned hosting rights by finishing above the Waratahs on the standings, clawed back some ground on the scoreboard in the second half.But the result was never in doubt."We know we've got firepower out wide They've been playing some really great rugby."They play a style that is hard to defend against, but in the same breath it creates a lot of opportunity because they do play a high-risk, high-reward version of rugby."So if we can withstand some pressure and stay disciplined, I believe we have an attacking game that will be hard to contain."Chancellor's faith in her Waratahs teammates is not misplaced, as it is built on a key trait the entire squad shares: confidence."We're a squad who knows how to play big games," she said."The Waratahs are a team that knows how to win in big moments