In the video, a person is seen holding a pen and a folding knife. The person uses the pen to push the knife open, revealing the blade. The person then uses the pen to push the knife closed, concealing the blade. The person repeats this action several times, demonstrating the functionality of the pen as a tool to open and close the knife. The video is shot against a black background, and the pen and knife are both black, making them blend in with the background. The person's hands are visible, but their face is not shown. The video is shot in a close-up shot, focusing on the person's hands and the objects they are using.