Men's waist posture corrector adjustable correction belt waist trainer shoulder lumbar support spine support vest... Improve Posture】- Shoulder girdle pose or collarbone girdle pose will help you look straight and healthy again! Look confident with a back posture corrector! 【Back Pain Relief】- This device supports and helps bend your back or thoracic spine and upper cervical kyphosis to accommodate poor posture while sitting at a desk. Good natural posture is important for aligning the lumbar spine, helping to relieve pain and symptoms of sciatica, lordosis, and scoliosis.