I'm starting the stack as well, should be here on Wednesday, just in time for Thursday's routine. I'm expecting good things. I tried Blitzz from Complete Nutrition, and I liked that, but it's $$$$. I...
I believe they can pat you down though, and if they 'feel' something in your pockets that could be dangerous, then they can pull it out for their safety. Also, almost anything in your pocket could be...