Cryosphere Hot / Cold Foot MassagerCryosphere Hot / Cold Foot Massager treats plantar fasciitis pain with soothing massage Relieve aching feet with just the right amount of pressure combined with hot / cold therapy. Designed by a physical therapist, this unique massager provides much-needed relief to those with plantar fasciitis, heel spurs and aching feet. The secret is the innovative shape and knobby texture. Slowly roll your feet over the sphere for a deep tissue massage, applying pressure where you need it to relieve arch and heel pain. Warm up or chill the massager for soothing hot / cold therapy. Features & Benefits of Cryosphere Hot / Cold Foot Massager:The unique, textured shape allows you to apply various amounts of pressure to reduce tightness and soreness throughout the arch and heel. For hot / cold therapy, simply place it under warm water or in the freezer until desired temperature is achieved. The Cryosphere is portable and simple to use, providing an easy way to get foot pain relief.