text: The course , starting from the main straight used in club races , makes use of both Brooklands and Luffield corners to form an S-bend â `` a requirement in drifting â `` and is regarded by its judge , Keiichi Tsuchiya , as one of the most technical drifting courses of all .
simplified: The course makes use of both Brooklands and Luffield corners to form an S-bend â `` a requirement in drifting .