In the video, a man is holding a small brass-colored metal object in his hand. The object has a threaded end and a circular hole in the center. The man rotates the object to show different sides, including a blue and black part that appears to be a locking mechanism. He then demonstrates how the locking mechanism works by turning a small knob on the side of the object. The man's actions suggest that he is explaining how to use the object, possibly for a tutorial or instructional video.