This is a really fun shot. But for all of you who are 'by the book' shooters... this may take a few tries to get right. Why?? Welllll... it's a 'push' shot. Which means this particular trick shot is accomplished with an 'illegal' shot on the cue ball. Which I have to say is why it's just so much fun to do - that and if you look at the cue ball path below... now that's just cool!
So lets get to the set up of the shot. First, take the rack and put it on the table (notice the rack outline below.) Now notice how I have the cue stick on the table, this is purely for ease of set up. I place the butt of my cue about an inch to the right (as if you were standing at the end of the table) of the 1st diamond on the short rail and line it up to the middle of the far corner pocket. Now take the cue ball, 1 ball, 2 ball and 3 ball and place them along the cue stick with the back edge of the cue ball even with the back edge of the rack you placed on the table. All of these balls must be frozen. Now carefully roll the cue stick away from the balls without disturbing the balls. Place the 4 ball in the left hand corner pocket.
Now how to execute the shot. Notice the english you'll be putting on the cue ball. Extream low right english. Your aim point is at the chalk I've placed on the short rail on the far end of the table. You may need to adjust this point depending on your push stroke. Now, with a mid-firm hit, strike the cue ball with a long follow thru. This is what makes this shot 'illegal'. If you could see this shot in slow motion, the cue stick stays in contact with the cue ball for a significant amount of time. This is what basically puts a 'level cue masse' on the ball. The resistance of the 1, 2, and 3 ball combined with the massive amount of draw right english is what allows the cue ball to arc back around the rack making the 4 ball. Oh.. and the cue ball can never contact the rack or upper short rail!! Have fun with this shot!!!