| http://www.w3.org/ns/prov#value | - the battery operative to depress said battery, biasing means urging said battery out of electrical engagement with said lamp in an electrical circuit including said lamp which circuit may be energized by said battery being slidinglyirnoved toward said lamp to close said circuit as the Weight of the wearers heel is placed upon said shoe heel. 5; The-structure of claim 4 wherein the shoe heel is lo
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