This inventive new tool offers stable and controlled deep muscle release. Grippy flat base provides sustained stationary traction. Curved massage surface provides targeted musle pain relief. Perfect for hips, glutes, back shoulders, psoas & other muscles groups. Use your weight as leverage and let the Curve Ball do the work!

• Use against a wall, or on the floor, chair or bed.
• High density foam, non-porous surface is easy to clean.
• Made in the USA.