Uses for This Faraday Bag! Protection You Never Knew You Needed! Use your Shield to block harmful signals, Protect your Ride, Protect your identity and credit cards from being skimmed, as well as blocking signals that trackers and hackers use to steal your identity. Reduce Exposure from Harmful Pulses Shield yourself and your loved ones from harmful signals. Let Electrashields partner your shielding experience! Privacy Protection Up your shielding experience against bluejacking, card skimming, data theft and GPS tracking. Protect your privacy! Stop Signal Cloning & Theft: Prevent theft and duplication of your key fob signals. Lock your car and immediately place your key fob in your shield.