What is Brumbrella Fielding? Why was this name given, against which batsman did Stokes use it?

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Through this fielding, Ben Stokes easily trapped Australian opener Usman Khawaja, who was on his way to a double century. Khawaja was clean bowled by fast bowler Ollie Robinson through an accurate yorker to end Kangaroo Batter’s innings of 141 runs. After all, why this fielding was named Brumbrella Fielding, let us know.(AP)