​Feature:
1. High quality Zinc Alloy Material. Ceramic stainless steel hybrid bearings feel very good, fast rotation, hardness.
2. Ideal for people trying to quite nail biting, smoking, leg shaking and all type of attention disorder issues. Ergonomic curved shape design for hand comfort and long term usage. Simply flick and spin for hours with one or two hands!
3. No Big Noise: Small enough to carry in your pocket everyday, simple, discrete and fun to play everywhere; Effective for focus and deep thought.
4. Use This Way: Hold spinner in one hand and use the other hand to spin it rapidly using small continuous strikes to keep it spinning indefinitely with practice, spinners can be spun using one hand, only using the fingers of one hand to stop and start spinning.