Designed by machine quilting teacher and author, Angela Walters, Dot is like getting two rulers in one, making it an all-around functional tool to have around. Quilt along the outside to create straight line in different angles, or quilt along the inside to create beautiful curvy, pointy shapes. To learn more, view a video demonstration.Features:- Creative Grids grip to ensure the ruler doesn't slip while quilting- Black and white dashed lines that are visible on all fabric colors- Needle stops for quick repositioning