| http://www.w3.org/ns/prov#value | - The racket according to claim 1 wherein the second part of the handle portion is a sleeve and the first part of the handle portion is an expandable cross-section structure fastened to the head of the racket, said expandable portion of the handle being composed of wedge elements which engage a cam surface to vary the effective cross-sectional size of the first part of the handle portion, and the fr
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