The tip of the Fingertip is a spinner. This kind of bearing symmetrical structure can be idling on the fingers.

Why is this thing so hot? Don't look at the thing is simple, as long as the hand knead the main shaft gently one dial can last several minutes, once the overhand is completely stopped. Many people believe that this product can help them quit smoking, ADHD, obsessive-compulsive disorder, anxiety, post-traumatic stress disorder, meditation and boredom, can provide users with sedative effects.