In the video, a person is seen using a tool to trim the hair of a black dog. The person is holding the tool in their right hand and using it to carefully trim the hair around the dog's ear. The dog appears to be calm and cooperative during the process. The person's movements are precise and deliberate, indicating that they are experienced in handling the tool. The background is not clearly visible, but it appears to be an indoor setting. The lighting is bright, and the focus is on the person's hands and the dog's ear.