FWIW, when the current cover was ~ 6 months old, it had a tearing
problem at the wing root, which Bruce's cheerfully fixed with a free
modification. We called Bruce's to inquire about a new one, and they
still have our original and modified measurements.

I had a boss who used to buy LL Bean shoes, wear them for a few years,
then exchange the worn out shoes under the guarantee. That really
isn't right. G