2. For the initial aiming, MengMeng may only exist when the club hits the white ball, and then the white ball doesn't know where to go. The force will affect the length of the white ball movement. If the force is too small, you may stop before reaching the linear distance of the target ball. If the strength is just right, it is normal that the white ball hits the colored ball and the colored ball continues to move for a certain distance. Aim roughly first and try in which direction. Don't aim at the white ball from the beginning.
3. The choice of hand posture is mainly divided into ordinary hand posture and special hand posture. Common hand types are V-shaped and Phoenix-shaped (buckle type). As for the posture of the library side hand, you can choose to practice it yourself. Of course, because everyone's hand size is different, you can choose the hand posture that suits you. Don't force it, or it will affect the feel of entertainment.