Hooks are often caused by trying to stay behind the ball, which makes you flip your wrists at impact
Setting up with slack in your arms causes you to extend towards the ball when you swing and hit the ball with the heel of the club
Play the ball off your front heel, open the clubface to one o'clock, balance slightly on your front leg and make sure you swing down and through to the left. The key is making a non violent full swing, splashing the ball with an oval area of sand out of t