We will now take the slice apart element by element. Cold, hard logic will serve us well and we will become better golfers that have more control over the shape of our shots. Last things first Let's look at things backwards. A slice is the effect of a cause. The answer is sideways spin on the ball.
Friction is created at the forward moving edge and the ball is pushed to the right.
Ah, now things start to get a bit more interesting. Excellent, now we're getting somewhere. Knowing that the clubface is open relative to the direction the club is travelling through impact we can start to make some adjustments. Now we ARE getting somewhere. The drills I am about to describe to you will increase your feel for what is going on in the swing and through impact.