In the video, a person is seen using a heat gun to apply heat to a piece of vinyl that is being placed on a car's rear windshield. The person then uses a squeegee to smooth out the vinyl, ensuring that it adheres properly to the glass. The video provides a close-up view of the process, allowing viewers to see the details of the application. The person's movements are deliberate and precise, indicating a level of expertise in the task. The heat gun is used to soften the vinyl, making it easier to apply and smooth out. The squeegee is used to remove any air bubbles or wrinkles, resulting in a smooth and even application. Overall, the video provides a detailed look at the process of applying vinyl to a car's rear windshield, highlighting the importance of heat application and careful smoothing to achieve a professional-looking result.