You can add mickey5469 to the list 05 Ltd with 70,000 miles noticed problem about 2 years ago

went underneath the crease and with about a 3"long black duc tape, crisscrossed about 6 times i.e. vertical l then crossways + then multiple times * ending up with a 3" diameter circle of tape
about 6 layers thick which was strong enough to cause the fold outside the
original crease

cannot notice at all on the outside and after a while don't notice
from the inside

can't distinguish any further wear on the original crease did not used any glue only the original adhesive held it in place have replaced it twice
in three years but only takes about one minute