Since you are so tied to
hanging you should try the [words=http://www.mattersofsize.com/forum/showthread.php?83577-Length-master-official-order-thread-now-shipping-06-16-2014!!!]
Length Master[/words]. Once wrapping is mastered, something you know better than most, the stretching is insane. Hit me up at
guru.dld@gmail.com and we can do something together to get you one.
The 2 stretches that I have found to be the best manual stretches are
Sock Stretches and
FootLongs, both are extremely intense.