Not the person you're replying to, but is also trained myself to do it. I basically touched the area where the muscle is, tried to activate it ... time passes .

Not the person you're replying to, but is also trained myself to do it. I basically touched the area where the muscle is, tried to activate it ... time passes ... and some unconscious process figured it out. Now, as a responsible parent, I use my super power to troll my kids.