Formed Grip - preformed Training Grip
Pre-formed golf grip training aids affix permanently on a club or dowel to train a player how to place the hands on the club. Golf club grip aids are available in Men's right and left-handed only. They are 'traditional' type training grips for medium sized adult hands. For larger hands try the Ergo Grip.
Dr. Gary Wiren talks about the importance of grip by using a preformed training grip installed on a club.