In the video, a person is seen holding a bicycle brake lever in their hand. The brake lever is attached to a bike, and the person is using a tool to adjust it. The tool appears to be a wrench or similar type of adjustment tool. The person is making adjustments to the brake lever, possibly to ensure that it is functioning correctly. The bike is not in motion, and the background is not clearly visible. The focus of the video is on the brake lever and the adjustment process.