you could put some on the ceiling:
This is a set I've ridden for over a month
in saltwater. I do rinse my board and let
it dry between sessions. Take care with
the installation and you'll have excellent
results. Watch out you don't over tighten
the screws. They need only to be snug.
I lube the screws with a little spit, sunscreen,
or other anti-seize lube. Don't use Locktite.
Switch to shorter screws if the straps get
If they come loose, Contact NSI or myself
and we'll try to help.