Bloemfontein - Wallabies coach Michael Cheika is known for his strange training methods.
Ahead of their Rugby Championship opener against the All Blacks in July, for example, images surfaced of Australian players running up a hill with their mouths taped shut while others were blindfolded.
The point of that exercise was to build trust between the players.
Another quirky technique is the squad's use of music.
Since 2015, the Wallabies have been starting some of their training sessions by doing a few drills with a massive speaker pointed directly at the players.
The only rule is that the music playing must always come from an Australian artist.
A Wallabies media representative told Sport24 on Friday that part of the point of the exercise was to help build communication between the players.
With the music blaring, the players are forced to shout at each other to be heard, which is often the case when playing in front of big crowds.
Then there is also just the fact that music gets the blood pumping at the start of a session.
On Friday, the choice was Cold Chisel's Australian hit, Khe Sanh.
"It was good ... a nice change-up," Wallabies captain Michael Hooper said of the song.