Shane has given up his secret to the break hundreds of times for free. When asked he says practice. When asked how much he said that one day he put 18 hours into working on the break.
I once spent 15 minutes working with the BreakRak at their booth at the Super Billiards Expo. In those 15 minutes I learned how to park my rock dead center table. And I mean PARK it just like the pros.
I have read that Shane also practiced with a BreakRak. In any event that type of dedication to figuring out the power break pays dividends as you well see. And really it's the same as Corey figuring out all the soft breaks. When anyone dedicates themselves to a task then they are bound to become an expert in it if they are not mentally retarded or have some form of memory issues.
That said there are secrets still. By secrets I mean ways to play and see the balls that don't come to you just by hitting balls. Things that top players have discovered and that they share with other top players but which are not shared with iggies. You have to get to a certain level before better players really open up to you. At least that's how I see it.
I can only really compare it to my own business. You might look at my case and someone else's and conclude that they are the same. But you'd be wrong because there are things I do which are not known to anyone but us and a very few case makers I have told about them. Given that I have studied - which means dissected - the cases from almost every other brand - I KNOW that they don't do what I do.
Now they could buy my case and tear it apart and try to figure out why I did certain things and try to figure out how I did them and probably they would be able to reasonably duplicate them. But this is much harder when you are watching a person perform a task like playing pool. For example I kick really well, especially one rail kicks. I have figured out a way to mentally visualize the distance and aiming using my cue without actually looking like I am measuring anything. So I kick balls in and the spectators clap and people admire my "skill" but in reality my skill is because I have learned a geometric way to know where to send the cue ball and I have developed a way to do it quickly without any extra actions. I haven't actually practiced every possible kick shot to develop a feel for them.
A month or so ago though I figured out that I could use this method for banking to spots on the rail to play better safeties.
https://www.youtube.com/watch?v=Gbjl_8wtcS8
I practiced this for about as long as it took me to make the video and since then I can confidently say that it has helped me to win about $200 laying down safeties which I used to sell out more than 50% of the time.