Well I finally have a modded dick...
I was right about the tie, it wasn't tight enough at all, I think stretch magic is no good for this as it worked loose - however what it did do is wear down the skin on the frenulum and completely expose the internal 'cord' (pics below).
Basically the tie was no longer doing anything and was slipping loosely on the internal cord (can be seen in pic below), so I took action.
I grabbed my nail cutters and cut the internal frenulum cord, this opened up the gap nicely with both ends retracting away. I didn't feel anything at all however after the cut I could see a smaller thinner cord which was also exposed, so I cut this as well, and down to the bottom of thr hole the stretch magic made. I think I cut the one that runs the ring foreskin as it's nice and supple now, also my skin is no longer trying to roll back!
Now the frenulum is opened up I can see where further ties are needed and I can access easier, time to heal for now though.
You can see where the 2 points have split a considerable distance.
Hey guys, just an update. Here's some pics fully healed, you can see the huge gap between the two points that have separated, the tip of the little triangular bit of skin was the point of where it used to be attached to just below the pee hole, that bit has gone soft now.
The outcome of this has been great for me, it's significantly relieved a lot of the tightness and I don't get a pulling on the glans now. The skin itself sits lower when hard too. One unexpected thing with the sensitivity, it seems to have improved! The extra sensitive bit seems to be a bit lower down now rather than right behind the glans, which means it's now getting more stimulated when "active". The first time I come after this had healed, it was like I had a new dick - I've not had such a strong sensation for years. I think where it was so tight, it was stopping the area get attention I suppose.
I still plan to do another tie/snip to detach it further.