According to market feedback, if the lumbar vertebra directly touches the lumbar plate, because the lumbar vertebra does not do enough activity and the lumbar plate is too hard, it will hurt the lumbar vertebrae and cause pain. Now add a layer of cushions to protect your lumbar spine during traction. Not harmed. Multi-purpose use, can be used as a cushion to improve the previous deficiencies, and can be fully used in sofas or office seats, cars. For the good lover of yoga is also a gospel, with lumbar traction with cushions, it is easier to do traction on the yoga mat. We recommend that beginners and patients with lumbar pain (except for patients with lumbar disc herniation), prefer lumbar traction devices with cushions, to avoid the damage caused by the initial stretching. This is not a medical product and cannot solve any medical problems. If you have a patient with lumbar disc herniation, consult your private hospital before purchasing The cushion can be removed and can be cleaned at any time. Back Support Lumbar Support Back Pillow is ergonomically designed to provide all day support to help relieve lower back pain from sitting and promote good posture. Our back support pillow helps align your neck, back and hips and improve your posture by helping you sit upright. Proper posture in turn helps alleviate and prevent lower back pain. Research shows that lumbar support cushions improve posture and comfort to ease low back pain. If your desk chair has no decent low back support you tend to sit in more flexed position which causes stress on your lower back tissues, tires your muscles and results in lower back pain. Chiropractors recommend lumbar support pillows to prevent this slouching and in turn significantly relieve low back pain from sitting.