This is a stellar video where Todd Jarrett gives a great fundamentals overview. I used this today to help correct a problem I picked up over the last week. Fundamentals are nearly always the key to correcting a problem. Bookmark it for your own performance analysis use.
In this day and age of DAO pistols and trigger safetys Todd’s grip advice is a little out of place but a little thumb placement adjustment is the only difference between the 1911 Todd is using and your Glock.