I’m not sure if this is mentioned anywhere else on here but I stumbled upon this by trial and error..
Say, like me and many of us on here you feel that you are limited by your tough dorsal cord thingy and you have attacked it with V stretches and the like and are still only feeling a minimal stretch then give this a try..
I been using a metal rod about 10mm in diameter as a fulcrum.. But I have been using it behind my nuts and across my legs, because I thought since this tough dorsal cord thingy is going to take a long time to grow why not go behind it and your nuts where it is mostly penis that hides in your body with no signs of the tough dorsal cord thingy.. This is the best way I can explain it and so far it is doing good things for me, it’s a proper stretch rather then just resistance.. Give it a try guys :)