Whenever someone asks me what is the proper way to bank, my answer would always be "feel". Because if you go through all those measuring and calculation of angles, you still have to get the proper speed and also consider all the other factors that affect the path of the OB. So, here's a little drill that would help a beginner or maybe an intermediate player to start "feeling" a simple bank shot which usually comes up in an actual game.
Use center ball, half ball hit, soft to medium stroke in all of these shots. Once you get comfortable with these types of bank, you might want to try experimenting with a tad of english and move on with various speeds.
Please take note that these shots are all within a diamond from the intended pocket and the OB is no farther than 4 inches from the rail. I have used the CB, 1B, 2B, 3B as cueballs to pocket the 4B, 5B, 6B, 7B respectively. Obviously, the intended pocket is the pocket from where you are cueing the OB.
You may want to try cross banking the length of the table also.
