Inflatable Household Cervical Tractor Portable Three Layer Full Fleece Features: Posture Providing Support for your neck and helping to your body Can be use at work and home Designed to Massage & Relaxation Suitable for Mens And Womens Material: flannel Product Usage: 1. Wear the portable device in the correct way. First time users can look in the mirror, adjust the neck circumference, fix the front, and use two nylon buckles in the upper and middle to people with different neck circumference (see figure). 2. Please tighten the vent nut before inflating the . 3. Use a to inflate until the patient feels that the pressure is appropriate and the symptoms are relieved. 4. At least 2-3 times a day, for at least 30 minutes each time. 5. use, loosen the vent nut and slowly vent. Instructions for use: 1. Before inflation, please tighten the nut and special attention to pressing the rubber gasket tightly against the vent hole. Do not invert the gasket upwards. charging, move the control on the long tube slightly upwards to slow deflation. 2. When deflating, push the control back and loosen the inflatable handball nut. 3. When not in use for a long time, do not let out the in the inner liner and place it in a cool place for better maintenance of the inner liner. 4. traction, it should be noted that working at the desk for half an hour, one should get up and for a while. The pillow should be suitable for sleeping. Package Included: 1x Neck Support