I doubt that there is any single piece of the streaming video from in
the footwell that directly connects with the footage out the
windscreen, but to watch all of this going on is flat AMAZING.
Streaming video: Walter Rohrl / Audi Quattro.
Watch his right foot. You're seeing downshifts (matching revs),
upshifts, and throttle steering (managing oversteer/understeer to
rotate the car and power through those corners).
Left foot braking is employed to slow the car, or to balance the car
in corners (transfering weight forward to rotate, etc).
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The techniques:
Left foot braking
Heel and toe
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The Trunk Monkey lives in the trunk of any vehicle and helps to
automate weight transfer at the rear wheels during spirited driving
maneuvers.
Originally developed for the Subaru Impreza, WRX,
the Trunkmonkey has been adapted to many other
import platforms.