In the video, a person is seen holding a green hat in their hand and using a marker to sign it. The person's hand is steady as they carefully write on the hat, and the marker leaves a clear, dark mark on the surface. The hat appears to be made of a sturdy material, and the person's hand is steady as they work on the signature. The marker is a thick, black marker, and the person's hand moves with precision as they write. The hat is held in place by the person's other hand, which is also steady. The video captures the process of the person signing the hat in detail, from the initial contact of the marker to the final stroke of the signature.