[BerntR]

I don't think you can have too much lag pressure going through impact. But if it isn't matched with a decent overtaking rate of the club, the sweetpot will move way up the club shaft and you will get a greater portion of the impact shock through your hands. And even more so with the longer sticks who has much lighter club heads than the wedges.

It sounds to me like you're not releasing the club well enough. Not enough clubhead spead / hands speed ratio.