The article introduces small embroidery machines such as the NV180K and NV180D, which are suitable for embroidering small designs on curved hats. The machines come with special hoops to help with the embroidery process. The article provides a video demonstration of how to use the machines and recommends them for Disney fans. The NV180D model also has a color screen. The article also mentions a special scissor tool to avoid cutting the embroidery and design when finished.