2-in-1 Car Emergency Tool: The emergency hammer is a multifunctional safety hammer and seatbelt cutter (with 2 test glasses for practice), which can be used to smash glass for the first time in emergencies to help you escape quickly. High-Pressure Spring Design: Our car emergency hammer features a pressure design with a built-in high-pressure spring, which instantly produces a massive force when pressed; even underwater, the glass is smashed with light pressure. Safe U-shaped Design: Our seatbelt cutter has a U-shaped design that perfectly conceals the sharp stainless steel blade, which can effectively prevent scratches and will not cause secondary injuries in emergencies. Compact and Lightweight: This high-quality car emergency hammer is compact and lightweight; with two adhesive bases, it can be easily and securely attached anywhere in the car. Small in size but powerful, it is your right hand in emergencies. Versatile Use: Whether you are an elderly person or a child, a woman or a child, you can use this emergency hammer with a seatbelt cutter to smash car windows or cut through jammed seatbelts to escape quickly in emergencies.