This is a linear downward motion with adjustable tension. You can be up and running in minutes. Indications Patients with joint laxity, joint dislocation, joint injury, and bone and joint implantation. >>Features: 1. Our product has a flat pad surface that can be used to adjust feet, ankles, knees, shoulders and wrists. This is a linear downward motion with adjustable tension. 2. Portable limb descents and accelerator plates provide a workable age for large immobilized seniors. 3. Use durable pine wood, special drop system, high-density foam, high-quality leather and handlebars. >>Specifications: Name: Chiropractic Drop Board size: Small size: 20.5*15*6.2cm M : 34.5*22*6.3cm Material: pine wood + high density foam + high quality leather Function: with joint prolapse, joint dislocation, joint injury, bone and joint implantation. >>Package contains: 1 * Chiropractic Extremities Drop Pieces Accelerator Board >>Please note: 1. Due to manual measurement, please allow 1-2 cm deviation. 2. Since the monitor is not calibrated, the color of the item shown in the photo may be slightly different from the real item. Use the actual one as the standard.??Easy to carry?Small size, easy to carry, convenient for masseuses to carry it to the door. If you have any questions about this product, we will serve you wholeheartedly 24 hours a day. ??Material?The spine massage board is made of durable pine wood, customized drop system, high-density foam, high-quality leather and handlebar, sturdy and durable. ??Usage steps?Gently lift the black handle, and the chiropractic speed control board starts to open. Easily turn the knob to adjust the pressure intensity, open the pressure plate, press immediately, and the operation is simple. Adjust the appropriate drop force to achieve the best correction effect. There are hanging holes on the back, which can be hung on the wall for upper cervical spine correction. ??Pain Relief?This model has a flat padded surface, which can be used to adjust the feet, ankles, knees, shoulders and wrists. Tension adjustable straight down. They can be used within minutes. ??Spine Accelerator Board?Is a must-have for every mobile chiropractor kit. It's a portable spine accelerator board that contacts individual bones in the foot or wrist and applies pressure from any angle. The force applied depends on the range of motion of each joint and does not damage other surrounding tissues.