| http://www.w3.org/ns/prov#value | - The assembly of claim 281, wherein the at least one generally downward extending wall has at least three openings therethrough, one of the at least three openings being located on the lateral side of the heel support, one of the at least three openings being located on the medial side of the heel support, and one of the at least three openings being located on the rear of the heel support.
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