Absolutely essential for Quantum Healing. Features a therapeutic shape to provide important neck stabilization. Channels of Amethyst and Tourmaline crystals carry BioMat energetics deep into cerebral spinal column and brainstem. Simultaneously keeps head cool allowing the body to receive higher temperatures-an important Ayurvedic health concept. Zippered case can be removed and used as a body wrap for chest, stomach, arms, and legs.