Lumbar Retractor Acupuncture Magnetic Therapy Style Back $ 16.32 Specifications: Product name; lumbar stretching device for acupuncture magnetic therapy Product specifications: 375* 250mm Product color: Blue, black, green and white Pink white purple white Blue black powder black Purple black green black Product function: Needle pressure massage collaterals Material: Pp/ polypropylene Matters needing attention The correct posture from the pillow: Side, with arms up slowly rise. Wrong exit posture: Remember to heave back. The recommended use time is 5-15 minutes each time. The stretching time and strength are mainly According to the individual's own situation (to feel comfortable, no obvious discomfort shall prevail) It is recommended to use it 2-3 times a day Packing list: Lumbar stretcher *1