| http://www.w3.org/ns/prov#value | - The conventional upper part 672 which can be made of leather, rubber or other leather substitutes, is provided with two pockets, 676 and 678 with a Velcro tab 655 on the inside wall of each pocket which coacts with the Velcro 661 on the base 660 and 663 (see FIG. 127) to support air pump 671 and relief valve 675.
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