The manoeuvre first appeared in 2019, when Simon Pagenaud used the tactic to keep his rivals at bay on the way to victory for Team Penske.
In recent years, it has become more prevalent – with some drivers swerving wildly off Turn 4 and into the pitlane entrance to deter those following from using their slipstream. Josef Newgarden used the move to help him to defeat Marcus Ericsson on the final lap on Sunday.
