Protect Your Spare Tire From Theft! Spare tire theft is on the rise across the country! Whether a vehicle is parked in a driveway, public parking area or on a dealership lot, a spare tire can be stolen in seconds. Don't wait until an emergency situation to find out your spare tire is missing. The Spare Shield is the only spare tire security that covers and protects the cable from being seen or damaged. With no additional tools or keys needed. The Spare Shield installs in seconds and provides priceless security thieves.