Quote:
Originally Posted by Dustpan I wouldn't believe any of that, they don't have any good proof on what they can do. Its kind of hard to believe 6" in two months. Use your time with a PE Routine and get more benfit out of the exercises. |
6 inches in two months with an extender? Do these manufacturers even think about what they're saying?

That's approximately a 500 percent increase, volumetrically speaking.
Booyea: Head the advice in this thread. Quick, Dust, and AvgJoe all offer good suggestions.