| http://www.w3.org/ns/prov#value | - When cam plate 46 is rotated in one direction, i.e. counterclockwise in FIG. 2, those pin-in-slot engagements cause the stiffener plates 42 to be spread apart so that the opposite sides of the unit sole element top wall 32c are moved apart to their positions of maximum girth adjustment shown in FIG. 4.
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