This is my new grip. It allows you to put both of your thumbs on top of the grip and keep your hands even. I used to have trouble with my right shoulder coming forward and pulling putts. It is now impossible for me to do so.
I'm gripping it pretty close to how it is being done in these pictures.
It's pretty fucking cool. I have the orange one as it matches my new Ping i10s and bag.
Check out the site: www.golfputting.com/golfputting/golf%20putting.asp