<p>HOW TO USE Quick to escape according to the right steps, for example, searching instructional videos online. Be noted to choose breaking the Tempered Side Glass rather than the Laminated Glass such as the windshield and skylight, which is difficult to punch through. Always remember to take this car window breaker and seatbelt cutter in case emergency of sinking, rolling, on fire or trapped inside. AUTOMOBILE CAR WINDOW BREAKER Head of the 2-in-1 safety hammer glass breaker has a double-sided car window breaker designed to break windows glass in one go, and a sharp car seatbelt cutter at the end to free you from seat belt in emergency need. ULTRA DURABLE &amp; HIGH QUALITY Premium High Carbon Steel Hammerhead and Tip Heat Treatment Procedure ensure the car window breaker hard enought to break window within one second, instantaneous pressure can be as high as 10 to the sixth power. Razor Sharp Seat Belt Cutter passed Salt Spray Test, rust prevention and sharp enough whenever you need it. High quality ABS hand shank effectively prevents break-off by accident. USER FRIENDLY DESIGN (1) The car safety tool has a Anti-slip Handle so the car window breaker wont slip out of your hands when adrenaline is pumping; (2) High-visibility Reflective Straps are set up on the car emergency tool, easier to be found in the dark, save every second for saving life; (3) Double-sided Tip Hammerhead lets every side of this car escape tool can break window quickly, save time than Tip + Flat hammer. SUPER PORTABLE &amp; 2 PACK - Measuring in at under 7 inches long and 10 ounces heavy, this tiny car window breaker will protect without stealing space in your car. Mounting bracket and screws come together for easier installing close by and easy access during an emergency. Besides, valued 2-pack provides either a gift or multiple tools to be stashed in both the front and back of your car.</p>