Foot pain relief...fast! The Moji Foot PRO Stainless Steel Spheres Massager allows you to target sore foot muscles, so you can be active and pain free. The iconic 6-sphere foot massager has stainless steel spheres that can be chilled in the freezer for a deep-tissue, refreshing ice massage. The spheres dig deep into muscle and tissues to relieve pain and break up scar tissue. It hits all the right spots to relax sore, tight, aching foot muscles wherever and whenever you need it. And it can help relieve nagging Plantar Fasciitis pain, too. The more rolling pressure you apply, the deeper the massage. The Foot PRO makes you feel good, so you can be more active. Preferred use is with socks. Easy to clean.