Exhausted Padraig Harrington still auto-pilots his way to an opening 70 at Irish Open

Seamus Power and Niall Kearney lead the home challenge at the Horizon Irish Open with a pair of 68s, four shots shy of leader Ryan Fox

Padraig Harrington on the 11th hole of his opening round at the Horizon Irish Open at Mount Juliet. Pic: Richard Heathcote/Getty Images

Padraig Harrington has tried just about everything to improve his golf game.

The three-time major champion once told a gaggle of Irish journalists that he had done little or no work over the Christmas period before running through a few dozen tweaks and fiddles to his swing, his grip and his stance.