A supportive pillow for Cluster Headache does not act through direct pharmacological mechanisms, but rather provides mechanical and positional support to mitigate pain triggers. By promoting optimal head and neck alignment, it can help reduce muscle tension, improve cervical spine positioning, and potentially minimize vascular compression that may contribute to headache pathogenesis. The pillow's ergonomic design aims to decrease physical stress and create a more conducive environment for pain reduction and potential symptom management.