This 3rd edition is a calibration method when the push timing is too fast. It consists of a training method that attaches strength and elasticity to the swing without using force, increasing or decreasing the amount of rotation by changing the shape of the finger (finger position) in the zero point section, and factor that hinders importance in the zero point section.
Please chew all the videos a few times ~

Bowling PostureBowling BasicsBowling StarterBowling How to BowlingLearn to BowlingBowling StaffBowlingSwingsBowlingReleases Bowling Releases How to Beat Bowling Classic Bowling Cranker Tweeners Bowling Lessons Bowling Teaching Bowling Lessons Bowling Professionals Professional Bowlers pba kpba jpba Lucky Dumbbell Bowling TwoHand Bowling Rotation Pro Bowling Unemployed Bowling Bowling Ball Test Ground Drilling Bowling Ball Bowling Ball Bowling Starter Bowling Intermediate Bowling Advanced Bowling Technique Bowling Technique 8way Swing Turn Lifting Sliding Cupping Uncupping Extension Extension Cocking Hookball Auction Adduction Advancing Roll side roll pendulum movement pendulum swing arm swing