James Constable inspired Oxford United to victory over League Two rivals Barnet in the FA Cup first round.
U's duo Andy Whing and Sean Rigg hit the crossbar in the first half.
The opener came when striker Constable, who has rediscovered his form after watching a DVD of his best bits, headed home Peter Leven's corner.
Barnet joint-boss Edgar Davids brought himself on for his FA Cup debut at the age of 39, but United sealed it when Constable set up Rigg to drive home.
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