STEERING WHEEL BAR LOCKS - The most popular is The Club, a steel bar that
clamps on the steering wheel and makes the vehicle
impossible to steer. They are an effective deterrent because
of their imposing presence on the steering wheel.
HOOD RESTRAINT - A device that prevents full access to the under the
hood components. These can include a chain which allows a
hood opening of approximately four inches, a mechanical or
electrical device that physically locks the hood down, or a
mechanical or electrical device that prevents the
factory-supplied hood mechanism from operating.
STEERING COLUMN COLLAR - Protects entry to the ignition through the column.
TIRE/WHEEL LOCKS - Tool wraps around the tire or wheel to immobilize
the vehicle.
GEARSHIFT LOCK - Locks gearshift in place, making it impossible to
shift transmission into gear.