If my mind's eye is 20-20 (ha!) they're for either attaching the privacy
screen loops, or for hanging clothes.

I think prolly the first - privacy screen.

Marshall Ruskin
84 Westy "Iron Igloo"

>Well, it really isn't the knobs that are unknown it is their purpose.
There
>are two black knobs or posts on either side of the sliding door of my 82
>Westy.  Any idea what they are for?
>Coop
>