The Black Ferns have cruised to victory at the Sevens this weekend in San Francisco taking out every team they were pitted against. To claim the crown they had to take out France at the final hurdle winning with an extrodinary 29 - nil. Sky TV's Rikki Swannell joined Kate Hawkesby from San Francisco where she is covering the games and says the team's confidence is based on their extraordinary culture.

LISTEN ABOVE AS RIKKI SWANNELL SPEAKS TO KATE HAWKESBY