In the video, a person is holding a knife in their hand. The knife has a sharp blade and a black handle. The person is using their thumb to push the blade in and out, demonstrating the knife's functionality. The background is blurred, but it appears to be an outdoor setting. The person's hand is steady, and they seem to be experienced with handling the knife. The blade glints in the light as it moves, indicating its sharpness. The video is shot from a close-up angle, focusing on the knife and the person's hand.