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6. Automotive upholstery is shipped inside out from
the factory, and it should be kept that way until
installation. The major seams are sewn with the
material inside out (so the stitching remains hidden),
and it keeps the covers clean. This is how the main
vertical rod will sit in the white fabric channel when
the vinyl covers the foam. NOTE: Preparation of the
white fabric channels that the vertical and horizontal
rods slide into is critical. The main fabric channel is
sewn into the main seating surface seam, where it
creates a U-shaped loop. It must be cut in four places before installation. Toward the top, there is a
diagonal seam on either side. The U-s