Here are links to another thread on MINI2 where comment about left-foot technique was developed, and to a video that should (at minimum) create comment about driving skills!
Notice his complete concentration, the precise use of every available appendage, his patience (as the car is drifting at huge slip angles), and the very direct (hard) use of brakes and throttle to transfer weight and control traction.
A beautiful "dance" with this Audi Quattro by the master, Walter Rohrl.
Left foot braking vs Corner Brake Control Walter Rohrl/Audi Quattro