Kasai region and the Aloro of western Africa who use a process called adire eleso under the protection of the Yoruba spirit Iya Mapo to create he.
Adire, which means tie and dye in Yoruba language

Ancient Indigo Dye pits. 500 years are in danger of falling into disrepair because of of imports from other countries.

cassava (yucca) paste

.And though first looks will show a reflection almost as authentic, there is still something to be said in the sewing of finely detailed patterns onto cloth then dying with the specially prepared tea leaves, or using cassava paste to paint repeated abstractions onto the cloth then beating with a wooden stick until bright and glossy.

Maki Oh