I've started doing the reassembly from the rear so beading/piping is going on. I did try stapling the strip but it has cracked the joints between the rear panel and the aluminium moulding that runs down the edges of the panel. There's not much to absorb the shocks from the staple gun. So I just taped the beading in a few spots just to keep it from falling off and offered up the wing to the body, securing it with the bottom seatbelt bolt and a top throughbolt. Various methods involving bits of wood (with cushioning) and a jack were involved to keep the wing in place while I lined up the holes. I started tightening up the screws/bolts from the rear going forwards while pushing in the beading. It seems to have worked although I had to add one extra screw as the beading was not held sufficiently in one place. I guess carpet tape would have held everything but I didn't have any of that! Here are a couple of photos.