A video for you consideration . . . Isn't that "snappy" . . . a video no less!! :) One of the things I do as an instructor is to try to help a shooter fix their "foundational" issues . . . stance, grip, where they touch the trigger, how well they hold their grip through the firing sequence, how they drive their firearm to the threat . . . the foundations of their shooting. The drill I use for that is the "Drive, Touch, Press" drill. And this is what that looks like . . . see what you think . . .
Here's a closer look at the "Drive, Touch, Press" drill . . .