| http://www.w3.org/ns/prov#value | - Preferably, the at least one recess formed in the surface of the handle is an annular recess 22, and the detent means is an annular detent 24 formed on the inner surface of sleeve 20 and spaced from the ends of sleeve 20 so as to closely and substantially cover handle 14 when placed and retained on handle 14 in any rotational orientation on the handle.
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