On the next drive, the Chargers' defense gave way to the sort of grind-it-out style that has defined the Patriots of other seasons.
It was the sort of grinding tennis for which Federer is known.
Airport-type security checks on some trains are also likely, as are more random checks of baggage and cars, and the removal of litter bins that might serve as bomb receptacles the sort of grinding measures Britain adopted during the IRA peril.
Her frequent collaborator, producer and songwriter Tim "Timbaland" Mosely, constructed a sparse, audacious sound around Aaliyah's honeyed voice: disembodied backing vocals, electronically treated string and flute samples, speaker-rumbling bass, and the sort of grinding synthesiser riff more usually found on late-1980s acid-house records.
But he knew almost as soon, remembering the snap of tension in his hand, that it was the jack, broken, and when he turned it now, nothing at all happened, only a sort of grinding sound.
"I've always got some sort of ax to grind in my work," said Ms. Jones, 26.
"There were parts in the first half that I thought were tough and we sort of had to grind through moments of the game, but we kept pressing on as a team and put together some really good stuff and scored some nice goals.
The show isn't all the sort of bump-and-grind sass for which Ms. Carter is best known.
I've a friend of Indian extraction who despises this sort of weather and grinds his teeth when he hears people gushing "but you must love this" at him.
