The TriggerPoint STK Target (04443) is a travel-friendly, targeted deep tissue massage bar with 8 independently spinning wheels that grip the skin while rolling for a more effective massage. Combined with the patented, ergonomic comfort grip handles, the STK Target makes deep tissue massage easy and portable.Massage Roller Sticks details:Provides a superior deep tissue massage via 8 independent-spinning wheelsAcuGRIP Surface grips the skin for enhanced massageFeatures ergonomic comfort grip handles that make it easy and comfortable to useGear-shaped wheel design provides a targeted massageLightweight and compact, making it ideal for travel