Have your body square from the wickets with your bat in a ready position.
Hold the bat steady with your comfortable hand on top of your weaker hand.
In a bowling situation you need to be ready and protect yourself and the wickets.
Here is a good example of a perfect hit.
This is a block we’re you use the bat to block the ball from hitting your private or your leg.
A slice is simple you have to hold the bat the same but except when the ball comes you step to the side and hit to your preferred side.