According to Sheriff of Baghdad, trigger jerking is a myth. It is anticipation that causes wayward shots.To prove this, he jerks the trigger for his students. He uses a 1/2 ratchet to go inside the trigger guard. Then he palm strikes the ratchet to simulate a hard trigger jerk.

Trigger Jerk is an Illusion! There is no such thing. Your trigger finger is not strong enough. In this vid I pulled the trigger with this 1/2″ ratchet. Look how hard I hit the ratchet. I regularly break Glock triggers so I carry extras. Lol. Trigger jerk is actually #Anticipation. Anticipation starts in the brain and moves the gun before it goes off. Not your Finger!!! Commonly known as a flinch. The fix is relax the brain and Don’t Do It! Lol

Is this snake oil or does he have a valid point?