Try this grip improvement for added accuracy AND power
A neutral grip, with neither hand rotated too far to the left or the right on the handle, allows each hand to more naturally perform its correct, designated function. For the left hand, that’s “swinging” the club. The right’s job is to “push” it. To get a feel for each hand’s role, swing any club slowly using just your left hand and then with just your right.
A neutral grip may not feel comfortable at first, but stick with it. Once you see shots come off the club far and straight, you’ll see why it works so well.