2 Mini Kumihimo Disks. The Kumihimo Mini Disk is 4-1/4" in diameter and made of 3/8" dense foam. Discover the ancient art of braiding cords, otherwise known as Kumihimo in Japanese. The disk creates a rounded braid. With the Kumihimo Mini Disk, you'll be able to create beautiful braiding projects quickly! The Mini Disk is sturdy and will hold the threads firmly as you braid. Because it is portable, you can easily take your projects almost anywhere. the 35mm center hole allows you to use the Beadsmith Kumi Handle, if you like, but also allows you to make thicker braids. Free 1st Class mail shipping.