I play with (or did rather) a Titleist 910 D2 Driver. I absolutely Loved this club, I seemed to have better control with this driver than any other that I have ever hit. All of that aside, while playing a round one day on the 10th Tee after my drive, I could hear a high pitch whistling type of noise coming from my driver. I could not figure out if it was coming from the head of the club or the shaft. After a minute or so of my buddy and me with our ear to the head of this club it stopped. I was a little concerned but didn't bag it, because what could I do at this point anyway? So I get h