A quick question to people who play Rubber guard: When you switch to Crackhead Control, do you find that alot of people stack you? Do you find this puts alot of pressure on your back that you don't neccesarily feel when rolling but definately feel the day after? Does this loosen up? I've started playing rubberguard now for the past 5 weeks or so and I'm finding as I use it more, I'm punishing my lower back more to the extent of servere aches and pains the next day. Any advice?