Is Warnie Oz's secret weapon?

Cape Town - Shane Warne's vast Test experience has been well utilised by the Australian squad in the lead-up to the series-deciding third Test against South Africa at Newlands in Cape Town on Saturday.

Captain Michael Clarke says the veteran of 145 Test matches and arguably the greatest leg-spinner of all time has played a leading role in mentoring the team in his role as a consultant.

Clarke believes Warne's cricketing brain and infectious personality will help lift the squad after the demoralising 231-run loss in the second Test in Port Elizabeth last Sunday.