Hobonichi Techo X Kakimori Exclusive Pen! This Frost series is a collaboration between Hobonichi and Kakimori, a stationary shop for "people who write with joy." Frost is an original Kakimori pen, with the color of the translucent body representing the texture of frosted glass. Thoughtfully designed, the ink cartridge and nib behind the frosted pen is faintly visible and become a part of the pen's overall design. Two nib types are available, the Rollerball and the Calligraphy, with an extra-fine point for capturing every thought in your Hobonichi (or other!) notebook. The pen uses a converter system, meaning you draw ink into the cartridge yourself, happy journaling!