Hanging clothes is my best guess.
Charles
"83.5 Westy (germ-free fuel system)

On Tue, 1 Jul 1997, david radcliff 
wrote:

> This may be the dumbest question yet(if it is I should win a new vr6 or
> at least one of those 5th seats with the strong box underneath), but
> what purpose are the white knobs just above and behind the driver and
> passenger seats for in my 84 westy? They are not needed to hang the
> curtains and seem to have little to do with the fuel infection system.
> 
>