Y Clwb Rygbi: The Art of Kicking
From Jonny Wilkinson's left peg to Joel Stransky's metronome boot, World Cups are won and lost by the kickers. So what will be going through Dan Biggar, Dan Carter and Jonny Sexton's minds at those key moments?
Y Clwb Rygbi got Wales squad player Rhys Patchell to talk through his preparations with former British & Irish Lions scrum-half Dwayne Peel.
Cardiff Blues are playing Munster in the Pro12 on Saturday 17 October and live coverage of the match can be seen on S4C from 13:15 BST