Versatile Application: This chiropractic massage tool is ideal for joint relaxation,and overall body health. Suitable for upper cervical spine and limb joint corrections, as well as basic skills training. Spinal Acupressure Therapy: A vital tool for mobile spinal acupressure practitioners, designed to facilitate joint movement while protecting surrounding tissues. Relieve Pain: The flat cushion surface of the spinal acceleration board effectively helps alleviate fatigue in the spine and surrounding muscles.The back features hanging holes for convenient storage and upper cervical spine correction. Portable Compression Board: This unique design allows targeted pressure application to specific areas, enhancing joint mobility without harming adjacent tissues. Usage Instructions: Lift the black handle to open the chiropractic speed control board, adjust the pressure intensity using the knob, and initiate pressure application easily.