i do the same thing as you do. I'm not always sure why or what causes it, maybe a combination of several, but i do know that if the right hand(right handed swing) takes over on the downswing, your right hand will turn the club over, as stated above in another thread, and you will pull or pull hook. Both hands need to work as a unit. I also have trouble of losing the club at the top and sometimes regrip it before the downswing, so i concentrate on holding on with both hands equally. hope this helps
stagday
