Addaday type c ultra massage stick features the gear design where the gears act like fingertips or elbows to knead muscles which promotes blood flow around muscle groups the massage stick has surface skin technology that tracks the surface of your skin and allows circular motions and focused deep therapy a mutli gear design allows the massage stick to be used easily on muscles in various parts of the body and the small gear is unique to the type c and is ideal for shin splits and carpal tunne