Purification Seima with Bells. Seima: Domestic, Nasu Hemp. Indigo Dye, Turmeric Dye. The sound of the bells is said to have the power to ward off evil, and Seima is also said to have the power to purify things that even salt cannot. Touching Seima absorbs negative energy and calms the mind. We hope you will keep it close by and touch it whenever you like. The Seima uses Nasu hemp, a domestic brand. Navy blue is indigo-dyed, and yellow is turmeric-dyed. Thank you for viewing.