The wooden bolt heads are arranged in alternating geometric patterns-specifically an eight-studded circle and a square with inverted corners.
木螺栓头被设计在交替的几何图案中——特别是一个镶嵌圆形和一个正方形倒角。
2
Another is divided into two separate 5 laps, 5 laps of the two alternating forward, as long as the players legs thick enough, the other did not know that the ball inside the circle 5, impossible!