The largely unsung relationship between a race driver and their engineer is one of the most crucial in dictating success or failure in Formula One.
The increasing use of F1's in-race radio during race broadcasts has offered fans a glimpse into how it works. Whether it's Lewis Hamilton and Peter Bonnington's "Hammer Time", or one of Kimi Raikkonen's many icy responses to Dave Greenwood or whichever other unfortunate soul has been on the opposite end of his radio channel, it can be easy to narrow the job down to the small confines of these scattered messages.
But the relationship goes deeper than simply a line of communications during a race.