In the video, a person is seen holding a guitar string and threading it through the tuning pegs of a guitar. The person's fingers are visible as they manipulate the string, and the guitar itself is black with silver tuning pegs. The person's movements are precise and deliberate as they ensure the string is properly threaded through each peg. The video provides a close-up view of the process, allowing viewers to see the details of the string and the tuning pegs.