Lefties Only Golf Tip: When we talk about trying to make a good consistent putting stroke, one word keeps coming up is often a pendulum action. We want to try and make the pendulum work to putt the backwards and the forwards. So, like a big grandfather clock, where the club head just tick-tocks backwards and forwards and the best way to achieve that is to let the shoulders control this.
Left Hand Golf Tip: Use Arms and Shoulders for Consistent Putting (Video)