Bat rolling is not an illegal activity. So, I am not sure a post containing a link to a bat rolling service should be removed. Most bat rollers are more than happy to invite you over and show you their operation. If the bat roller is smart, he will merely spend a few minutes making it clear to you that he is rolling the bat for demonstration purposes only, like a homerun competition. He then makes it clear that you are responsible for making sure the bat is not used in any association which considers the bat illegal. He should probably have you sign a form that states you understand.
Selling a rolled bat is probably an illegal activity. The bat has stickers which are trademarked. Two stickers in particilar can create a problem. One is the brands sticker, the other is the ASA sticker. It is pretty easy for the manufacturer, or for ASA to prove that by selling a rolled bat you are misrepresenting their trademarks. Both ASA and bat manufactures have won suits against bat rollers for trademark infringement.
There are no secrets. This guy has some nice video of his operation.
http://www.bigdawgbatrolling.com/Here is where you buy the bat rolling machines
http://www.batrollers.com/ You should note the bat rolling guide Panther is selling. These will tell you how hard to push the roller based on the model of the bat. Given the ABI testing ASA is now doing, the rolling guide is the key ingredient to get that pop on the bat. If you just buy the machine and turn your bat in it, you are not going to accomplish much. You have to really crank it down. Crank it down too much and you destroy the bat. The guide tells you how hard to crank it down for the model of the bat.
ASA should buy 2 of his rolled bats, 2 of his shaved bats add in 4 non-modified bats. Get them all as Demarnini CF4's. Umps will not be able to determine the modified bats versus the non-modified. Send all the 4 modified bats and one unmodified to WSU testing laboratory, I bet you will be surprised. You could do the whole project for about $2.5K. The shaved bats will be jumping hot. The rolled bats will be pretty hot.
It is illegal to use a rolled bat in ASA ruleset play. Some people feel that rolling a bat is the same as hitting a couple of thousand balls with a bat, it is just another break-in technique. Plus they rationalize, ASA uses bat rolling in testing of the bat. The rulebook is clear, you are not allowed to physically alter a bat, and the only reason you roll it is to physically alter it.
NCAA testing bats between series (SEC), and before champoinship play helped a lot this year, IMHO. I did not see nearly the odd miss hit balls going over the fence. The homerun balls seem well hit. Homerun numbers were down.