I'm sure I'll come across golfers who will tell me differently. I usually do. Some will tell me that the key is the address position, which I say BULL HONKEY. Some will say the grip, which I'll reply RUBBISH. Some will say swing plane which will make me CHUCKLE.
So to counter that, I'll go over a bunch of the components of the golf swing and show pics of how some of the great golfers approached each component. First up, the grip: