It seems from reading your post that applying the rebuilder there helped significantly? Pain and tightness in the legs seemed to disappear and you were able to use your legs/feet longer. Are your feet normally numb? Has the location I mentioned helped you more than other areas? What other areas have you tried?
The location of the tinel sign is where the tibial nerve (which supplies the bottom of the foot) reaches the surface. There is also a peroneal nerve tinel sign location, and I need to find the saphenous and sural nerve spots.