Ball and dummy. Have someone load or not load the weapon. shoot as you normally would.
It also helps to have a bunch of your buddys watching. When you jerk the weapon and it does not go off, they will have a good laugh and the embarrassment will quickly cause you to solve your jerking problem.
Also check your little finger. Most shooters will grip with the little finger and that will force the muzzle down and left. Many bullseye shooters will extend their pinky finger straight forward.
It also helps to have a bunch of your buddys watching. When you jerk the weapon and it does not go off, they will have a good laugh and the embarrassment will quickly cause you to solve your jerking problem.
Also check your little finger. Most shooters will grip with the little finger and that will force the muzzle down and left. Many bullseye shooters will extend their pinky finger straight forward.