The Pilot Kakno is a delightful fountain pen that is ideal for both first-time fountain pen users and experienced writers. \”Kakno\” means \”to write\” in Japanese, and that\’s just what this pen helps users to do by featuring an appealing smiley face on the nib, reminding users to orient the nib correctly. The cap and comfortable barrel are designed to not roll away when put down. Novices will soon become seasoned fountain pen users, and seasoned users will enjoy the fun, exuberant writing the Kakno fountain pen delivers. Filling System: Proprietary Ink Cartridges or Con-40 Converter.