The video shows a person's hands using a small tool to tighten the strings on a guitar. The person is seen using the tool to adjust the tension of the strings, ensuring that they are properly secured to the guitar's body. The guitar has a wooden neck and headstock, with metal tuning pegs and strings. The person's hands are steady and precise as they work on the guitar, indicating a level of expertise and familiarity with the instrument. The video does not contain any visible title, subtitle, or other informative text.