Works without any problems. 7/1 [Akama Suzuri] So-kodo Hayashi Made by Gyokusen ★Akama Suzuri by Gyokusen★ Akama Suzuri are inkstones produced in Shimonoseki City and Ube City, Yamaguchi Prefecture, and are named after Akamaseki (an old name for Shimonoseki), where they have been made since ancient times. Akama Suzuri use reddish shale called Akama stone as their raw material. This stone is dense, hard, and yet flexible, making it suitable for detailed work. In addition, because it has many fine ridges, it can grind ink finely, resulting in good ink color and the creation of ink that spreads well.