Window Breaker Key Ring Cutter

This compact, keychain-sized emergency tool is designed for vehicle safety. It features a spring-loaded tungsten steel punch that can shatter tempered glass windows with a single press — no swinging or heavy force required. Many models also include a built-in seat belt cutter and a loud whistle for rescue signaling, making it a versatile 3-in-1 survival device. Ideal for drivers, passengers, and outdoor enthusiasts, it's a must-have for every car.