Left arm connection drill
Set up with your right hand on your left elbow with the upper part of your left arm against your chest.
Take a small backswing keeping your left upper arm against your chest.
Now move back to impact feeling the left arm and chest still linked.
Turning through impact with your left arm and chest still connected, your left elbow should fold and the clubhead should be released.
Putting these same feelings into a half swing will see the clubhead open and the wrists set in the backswing.
Now see the clubhead square and close and the wrists re-hinge. This will create more on line shots.