When South Africa winger Cheslin Kolbe charged down a Thomas Ramos conversion to save a precious two points in the World Cup quarter-final last year as the Springboks won 29-28, it seemed inevitable that it would become more common. When South Africa winger Cheslin Kolbe charged down a Thomas Ramos conversion to save a precious two points in the World Cup quarter-final last year as the Springboks won 29-28, it seemed inevitable that it would become more common.