Putting is the difference between winning and losing. Here's what you need to win.
The arms create a circular motion around the body in the golf swing the same way they do in a baseball swing and tennis swing. Here is how to get the arms to work in the right motion during impact.
How your wrists hinge is important, but not as important as making sure you do not force positions. Here is what I mean.
There are arguably four positions. I say arguably because I am not a fan of positions because they can be misleading. If these positions come from momentum, you are doing fine.