Be like the Duke Lady Blue Devils golf team and play this jump back drill with your friends, wherever your putt ends up you have to jump the ball back the length of your putter and sink the following putt from that distance
Grip strengths are categorized as strong, standard and weak; select one that is best for you and learn to groove your swing with it
You should be able to hear a perfect impact because the club hits the ball then the ground creating one sound, if you bottom out too early you will hear the impact of the club on the ground then the ball being hit