A. The product functions similarly to acupuncture. By deeply pressing specific areas, it helps relax tense muscles. The thickened design of the foam pad provides protection and comfort for the sensitive parts of the back spine. B. The back correction board can relieve pain: The spinal board provides physical stretching, acupuncture-like massage, and back support for the back, relieving pain in the waist, back, and sciatic nerve. It also helps correct postural imbalances and is a good solution for maintaining the natural curve of the back and stabilizing the spine in daily life. C. Adjustable design: The back corrector has 3 adjustable settings, suitable for people of different ages and physical conditions. You can fix this lumbar support stretcher at the most comfortable level to easily stretch and relieve pain. D. A great gift for loved ones: This back stretcher provides posture correction therapy, relieves back pain, promotes deep sleep, and enhances mobility, aiming to help you enjoy life.