Maximum efficiency: sailing in the groove is not a cliche, it's something the best trimmers work hard to achieve as they combine with the helmsperson to generate consistent angle of heel and boat speed.(Crews Positions)

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Some of the best in the trimming business are, not surprisingly, sail makers by trade. Alby Pratt and Richie Allanson, who both work at North Sails at Mona Vale and grew up on Sydney's northern beaches, are highly respected for their trimming experience and flair.

Pratt's sailing resume lists three Volvo Ocean Races, 17 Rolex Sydney Hobart Yacht Races, Admiral's Cups and TP52 and Farr 40 one-design short and long-course racing. With 15 years trimming experience sailing on the upper echelon of Australian grand prix racers including Wild…