The video shows a person using a tool to apply a substance to a piece of material. The person is holding the tool in their right hand and the material in their left hand. The tool appears to be a brush or a pen, and the substance is black in color. The person is applying the substance carefully and evenly across the surface of the material. The material appears to be a piece of fabric or paper, and the person is using the tool to create a design or pattern on it. The video is shot in close-up, focusing on the person's hands and the material they are working on.