With your wrist cocked， your index finger should be pointed almost straight ahead toward the pins.
With your wrist cocked， your index finger should be pointed almost straight ahead toward the pins.
由于你的手腕转向，你的食指应该几乎直指向前方的球瓶。
With your wrist cocked， your index finger should be pointed almost straight ahead toward the pins.
由于你的手腕转向，你的食指应该几乎直指向前方的球瓶。