In the video, a man is seen holding a wooden block in his hands. The block has a small, dark-colored piece of wood attached to it. The man is using his fingers to push the block up and down, demonstrating the movement of the small piece of wood. The background is blurred, but it appears to be an indoor setting. The man is wearing a black shirt, and the wooden block is light brown in color. The small piece of wood is dark brown and appears to be made of a different type of wood than the block. The man's movements are slow and deliberate, allowing viewers to see the details of the wooden block and the small piece of wood.