This T-shape refers to the posture of holding the ball with both hands when shooting. When holding the ball, the two thumbs should form a T-shape, and the fingertip of the shooter points to the finger root of the assistant hand, but there is a certain distance between the two thumbs. The distance between the palm and the ground can be about 10 cm, and the small palm is 2-5 cm. draw

2.v-shape

The V-shape when shooting refers to an inverted V-shape composed of two forearms, with an included angle of 60, so that people can just see it through the top of the V-shape, as shown in the figure: