GoFit Roll-On Massager with Roller-Ball Technology for Sore Muscles and Massage, Deep Tissue MassageMassage away deep muscle pain. Roll out sore trigger points. The NEW ultra portable, GoFit Roll On Massager is ideal for reaching tight spots and rolling the pain out of muscle tissue. BENEFITS: The durable construction is easy to grip with a rubber coated plastic shell. Virtually indestructible, the solid plastic sphere set permanently into its base. The ball smoothly rolls in any direction with a no moving parts assembly. DETAILS: Smooth rolling