Nick Cain visits a highly motivated Welsh camp ahead of the semi-final with South Africa

Dynamic duo: Warren Gatland with defence coach Shaun Edwards

Vital component: Jonathan Davies is back, seen here fending off Jale Vatubua of Fiji Inset: Injury woe for Liam Williams
PICTURES: Dynamic duo: Warren Gatland with Getty Images

Big match attributes: Leigh Halfpenny was man of the series for the 2013 Lions

IF coaches alone were able to dictate the outcome of World Cup semi-finals you would put your money on the Welsh partnership of Warren Gatland and Shaun Edwards every time.
Their t...