In the video, a person is using a tool to cut a piece of glass. The tool appears to be a rotary tool, which is a type of power tool used for various tasks such as grinding, polishing, and cutting. The person is holding the tool with their right hand and using it to cut the glass with precision. The glass is transparent and appears to be a flat, rectangular piece. The person's hand is steady, and they seem to be experienced in using the tool. The background is blurred, but it appears to be a workshop or a similar setting.