Cock and ball: Turn off the prop is a plunger or a ball, rotating around its own axis.

旋塞和球形：关闭件是柱塞或球，围绕本身的中心线旋转。

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The target point helps to direct the movement of the shooting arm and accelerate the straighten of the shooting arm, thus fully complete the flicking of the ball during the process of cock wrist.

投篮臂的运动指向点更好地控制了投篮臂的运动方向和引导了投篮臂的加速挺直，以及充分完成屈腕过程中的中指拨球动作。

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It has the same movement rotated 90 degrees to mention only difference is that Jacket Ball Valve cock body is a sphere, a circular through-hole or channel through its axis.

它具有相同的旋转90度提动作，不同的是旋塞体是球体，有圆形通孔或通道通过其轴线。

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