Drain with non-return valve "to stop water being squirted up your leg." Site contains lots of good articles about boats, particularly traditional rigs.
A Prout Escale 39 owner's well illustrated account of how he fixed the cockpit drains.
Flat-mounted UV-protected removable bags for cockpit gear, with spray covers for protection in wet weather. Also storage bags that attach to lifelines in several shapes and sizes.
Flat-mounted UV-protected removable bags for stowing sheet tails out from underfoot.
Soft flat-mounted UV-protected removable bags for stowing winch handles. Two sizes.