After countless amount of hours of practice with a strong hook, my instructor showed me that using a "pistol grip", AKA not using your right thumb or index finger, almost completely took that away.
That works as an example, but I can't go around consistently swinging the club with only eight fingers. However, I can't seem to swing the club without pressure from my right thumb. I always end up closing the club face and having a fairly significant hook, and more importantly, I'm not getting solid contact.
I seemed to find resolution by wrapping my thumb completely on top of my index finger. Thus, even if I grip it tight, it does not effect the angle of the club head. I'm just not sure if this is an appropriate adjustment.
I found that this adjustment also is an enormous indicator of getting solid contact. With the club face closed, ths ball feels like a rock and it's just not good contact. With my thumb wrapped over my index finger, the large majority of my swings are excellent contact where I can't feel the ball.
Additionally, I get much higher loft. I use a machine to record metrics, and on my PW, when the ball feels like a rock but I hit it straight, I get metrics that look like this:
swing speed: mid/upper 60's
launch angle: 18-20
backspin: 6000 rpm
shot description: pull hook
When I hit it on the sweet spot it feels excellent and get metrics more like:
swing speed: low/mid 70's
launch angle: 25-30
backspin: 7000+ rpm
shot description: very slight draw or fade
Anyway, I was hoping for feedback on whether I should be looking to change my swing from this heavily overlapped grip and if any of you have experienced this issue as well.