In their five pool matches, Malaysia scored only four goals, all from penalty corners - set pieces that require rather more luck than finesse.

CNN: HOW TO STOP THE HOCKEY ROT

The device reduces the car's drag on the straights, allowing them either to have fastest straight-line speed for the same cornering pace, or to run more downforce in the corners without a penalty down the straights.

BBC: Sebastian Vettel heads Ferrari pair in Monza practice