The Midori Joined Dots Pen is a three-color linked pen that simplifies color-coding and organizing ideas for common place books. Easily draw beautiful dots and color-code by genre with just one pen. Perfect for creating and looking back on information, while offering a variety of calm and beautiful colors to choose from. The pen tip isround so that you can draw dots just by pressing straight down. The round pen tip, which allows you to draw dots just by pressing down, is a great ally for making common place books. It can be used as a line marker with three different thicknesses: thin, medium, and thick, depending on the writing angle.