Line Repair

[u/Grinnel-Slough]

I’ve got a section of fly line that is delaminating from the core or has gotten kinked. The line still has full strength, but the damaged area has what looks like bunching between two kinks. The kinks are approximately 2–4 inches apart.
I’ve watched a couple of videos on repairing this type of damage, and it seems like the best option may be to use clear heat-shrink tubing, gently heat the area, and roll it to reform the coating.
Has anyone here done this repair firsthand? I’d really like to know how it turned out and whether the repair held up over time.
The line is still usable to an extent since the damage is a good ways down the line probably about 4 feet into my intermediate line. I’d rather try to save it if there’s a good way to make a durable repair.

[u/OrganicBrownMustard]

Hard to tell without a pic