Indications for use: cervical nerve root compression, headaches, herniated discs, joint stiffness, muscle tightness, osteoarthritis Device description: Carefully Engineered to Provide Maximum Comfort Fully Adjustable Angel of Incline (10°, 15°, 20°) Independently Adjustable Neck Wedges for a Custom Fit Patented Hand Pump Makes it Easy to Increase or Decrease Traction Force Quick Release Button Easily Releases Traction Force