<< My only reservation about using inflatable flotation concerns sharp
fiberglass edges and protruding screws in hidden compartments, which might
puncture the inflatable material. >>
You can guarantee that statement..
I am positive (from experience) that little space is full of sharp fiberglass
threads waiting to either cut your hands or puncture anything you shove in
there.. I'm sure that's why they stick foam blocks in there.
SF