A hook is a specific right-to-left trajectory shape for a golf ball created by a significant tilt of the spin-axis of the golf ball to the left, or a counter-clockwise spin. This is opposite for lefties. A hook usually ends up to the left of the target line, and the term is often used when the curve in the trajectory is extreme and unintentional. The less extreme version of a hook is called a “draw”.
In understanding the basics of the golf swing, in order to hit the ball squarely and straight every time, you must return to the original spot at impact. A hook is caused by the club face being slightly closed at the point of impact, thus causing the ball to spin in a counter-clockwise motion, (opposite for lefties). In most cases the swing path is correct, but the golf ball is not being hit squarely at the point of impact, commonly caused by what is known as a “strong grip”.
As in the slice, the hook is often a product of an improper grip. Start by looking at your current grip. Remembering the basics of the golf grip, you should only see 2 knuckles of your left hand. If you see 3 knuckles, then you have a “strong grip” and this maybe the cause of your golf hook.
You can fix your hook by trying to change your grip to a “weak grip”. Turn your hands slightly counter-clockwise on your grip, (opposite for lefties), thus weakening the grip. Grip pressure is also a key element in the release process. If the pressure is too loose at impact then the tendency will for the club to release too early causing the ball to hook.
Remember the basics and only hold the club tight enough to keep control. You should not have any tension on your wrist and forearms. Practice the grip and check your results. Changing your grip should be slight, over compensating can cause other problems with your swing or begin to cause you to slice.
Most golf hooks are from a “strong grip”, but in order for you to correct your hook properly; you must have the know-how and learn the basics of the golf swing.