Using a piece of string with tees attached to both ends is the best set up and alignment tool you can have, put it in the ground to represent your target line then use it to square your clubface, align your body to the target line and maintain a constant ball position
Bend at the hips and flex your knees so that you are in position to make a rotary swing
Create a consistent putting stroke every time by controlling your putter head acceleration with this penny drill