Kōri (氷) is an element that represents the solid form of the natural state Sui (水). Our Kori cryosphere embodies this philosophy through a unique 2-in-1 design that couples the flexibility of a compact removable ball with the adaptability of the stainless steel material for cold or hot relief. Your satisfaction is our top priority as we back our product with a 100% money-back satisfaction guarantee! <br><br> <b>Key Benefits</b> <ul> <li>Myofascial Release Tool: Applying gentle sustained pressure into Myofascial connective tissue to eliminate pain and restore motion</li> <li>Reduces Inflammation and Swelling: Cold or ice therapy helps to numb sharp pain and reduce inflammation</li> <li>Improves Blood Flow and Enhances Flexibility: Heat therapy helps to loosen stiff joints and improves blood flow to the applied area</li> <li>Rapid Recovery of Muscles: Ball roller for sore muscles and relieves stress, tension, soreness and pain to promote quick recovery</li> <li>Trigger Point Massager: Releases constricted areas in the muscle that helps alleviate pain in other parts of the body</li> </ul> <br><b>How to Use</b> <br> To remove the free rolling ball, twist upper container and remove cap. <br><br> <i>Ice therapy</i><ul><li> Remove stainless steel ball from the container</li><li> Place in freezer for at least 2 HOURS</li><li>Enjoy 6 HOURS of cold relief due to the long term effects of the cooling gel within the steel ball</li><li>WARNING: Do not use frozen roller directly on wet skin</li></ul> <br><i> Heat Therapy</i><ul><li>Remove stainless steel ball from the container</li><li>Place ball in hot water for 5-10 MINUTES</li><li> Place the ball in open air until it cools to the required temperature</li><li>Enjoy hot relief until heat dissipates</li><li> WARNING: Do not expose ball to open flame or direct heat </li></ul>