AcuForce Massage ToolAcuForce Massage Tool The AcuForce 7. 0 is specifically designed to use it's own weight (7 lbs.) in applying pressure during your therapy treatments. This saves your thumbs, wrists and elbows from fatigue and injury. The AcuForce 7. 0 performs muscle stripping, cross fiber friction and trigger point therapy. The tool is made with a special skin like material that works incredibly well with lotions and oils. Colors vary. The AcuForce 2. 5 tool uses