I will soon be at a stage of fitting the interior to my bay. When I got the camper there was no table fitted so I had no reference. The table is fastened to a bit of wood which has 4 screw holes so it self taps to the inner body. However I have a plastic part that I am sure fits between the inner body and the table and it covers the bare wood when in its down or up position. Can anyone give me a clue how that is secured in position?