The principle came to him looking at burrs picked up by his dog on a hunting trip.

FORBES: Finding the Unfound

Prying a spouse loose can be arduous, as she discovered via her first husband: discarded wives stick like burrs.

NEWYORKER: Stone Mattress

This is powerful technology, making reputations stick like burrs to people.

FORBES: The Dossier Society

He had not forgotten his time at the citadel, but his memory was heavily veiled by his final days there and the days afterward, his arduous trek, the burrs and splinters of glass stinging his paws, the dense, watery taste of the bloated dead.

NEWYORKER: The Tiger��s Wife

He knelt down and crawled from the switch rails to the frog of the crossover, sliding his hand along the running surface and the head of the rail and feeling for possible corrugations or dents, or burrs shaved off by the wheels of the locomotives.

NEWYORKER: Among Animals and Plants

One hugely affective cue is auditory: Thanks to resonator tubes pumping intake and exhaust sounds into the cabin, the BRZ snarls and burrs and howls like a garage-built retro rod, even when it's accelerating away from a light like an ice-cream truck (0-60 mph in about 6 seconds).

WSJ: 2013 Subaru BRZ Review: It's Thinker Than You Fast It Is | Rumble Seat by Dan Neil