Watch this Tiger Woods practice swing. Exiting left with the through swing with the hands is a nice way to continue the arc of the swing. The clubhead however doesn't need to go that way
Whilst not everyone will have access to a state-of-the-art launch machine- the ladder drill is an ultra-effective way to learn to dial in your distances.
A string line is a great tool to train the eyes and visuals of how much break a putt can truly have. Eye dominance also affects this on different breaking putts.
Using the DownUnder Board is very much a part of drill two and drill three. Using the ground activates the body to overtake the release of the club. Learn from this video how the board really helps build the swing from the ground up.
Tempo and rhythm are ingredients to consistent play and a consistent swing. Jack Nicklaus describes it perfectly here in this video. Watch and learn the logic of the same swing with different clubs.