In the video, a person is seen using a tool to tighten the strings of a tennis racket. The person's hand is visible, and they are using a small white tool to adjust the tension of the strings. The tennis racket is clamped down to a blue machine, which is likely used for stringing the racket. The person's hand moves with precision as they work on the strings, ensuring that they are evenly tensioned. The background is blurred, but it appears to be a workshop or garage setting. The video is shot in close-up, focusing on the person's hand and the tennis racket.