Ireland's lineout issues present a significant challenge for both Paul O'Connell and Leo Cullen, despite their pedigree as players and now as coaches. O'Connell has oversight over the lineout as forwards coach, addressing increasing pressure on this set-piece, an area of once-great strength now vulnerable. Likewise, Cullen, while not directly managing the lineout, must ensure that his team can perform effectively under such pressures to succeed.