For the majority of these exercises, you need the hardware, of course difficult to find (especially the massage stick - it sure tennis balls, everyone in a) except on his site ...
So not really had the opportunity to make use regrets. I have big concerns for flexibility (health concerns), I had relied too much hope on this book disappointed me once I got to the part of the exercises, seeing the need for difficult materials to obtain ... and not given ...
Now that's my opinion, maybe it will be more effective for other :-)
