7. Gear Ring
The Gear Ring is made from high quality matte stainless steel. It features six micro-precision gears that turn in unison when the outer rims are spun (as can be seen in the video).
7、齿轮戒指
齿轮戒指由高品质的亚光不锈钢制造。它配有6个微型精密齿轮,当转动戒指外边沿时,它们就一起转动。(见视频)