J-bar
n.— «Install a mechanical device that locks to the steering wheel, column, or brake to prevent the wheel from being turned more than a few degrees. Commonly called clubs, collars or J-bars, these devices can act as a deterrent if installed properly.» —“Deter vehicle theft” by Dan Harvey InsideBayArea.com (Oakland, California) Aug. 2, 2006. (source: Double-Tongued Dictionary)
Further reading
Books were rare treasures in the Middle Ages, painstakingly copied out by hand. So how to protect them from theft? Scribes sometimes added a curse to the first page of those books that was supposed to keep thieves away — and some were as vicious as...
A Kentuckian says he always described gunning a car’s engine to make the vehicle spin in a circle as cutting doughnuts or cutting donuts, but when visiting South Dakota, he heard the same thing described as spinning cookies. This pastime goes...