This is a composite swing that took years to create. Pretty good model to use to compare with your swing or your client’s swing. Compare your videos to this video to see if instruction is needed. Look for key elements of the swing compared to your video. This, is used properly can be a big help in improving a golf game. This give you a down the line view and a face on view to analyze.
No claim that this is perfect but it does make a good model to compare address position, hand position, balance, path and body positions, release, etc. through the swing.