Intellinetix Knee/ElbowTherapy Wrap.Knee/Elbow Therapy Wrapdelivers targeted vibration therapy that aids in pain relief and recovery for your knee and elbow. Use pre- and post-workout to increase flexibility, circulation, and reduce muscle soreness.Three distinct levels of vibration offer customized relief.Not made with natural rubber latex.Universally sized and designed to fit knee/elbow.Patented technology.