In order to confidently adjust your alignment in relation to the shape of your shots it's quite important to understand that very few golfers genuinely hit the ball perfectly straight all the time. Particularly not all the way through the bag you can't be straight with you waiting in mid irons but if you could have in your woods in your driver or your long irons you can make an adjustment for that.
Adjusting Your Golf Ball Flight (Video) - by Pete Styles