Kumihimo Braiding Disc - Round (4.25 Inch). Discover the ancient art of braiding cords, otherwise known as Kumihimo in Japanese. The Kumihimo Disk is 6" in diameter and made of 3/8" dense foam. The disk creates a rounded braid. With the Kumihimo Disk, you’ll be able to create beautiful braiding projects quickly! The disk is sturdy and will hold the threads firmly as you braid. Because it is portable, you can easily take your projects almost anywhere. Inner hole: 35mm.