expandable baton

is typically composed of a cylindrical outer shaft containing telescoping inner shafts (typically 2 or 3, depending on the design) that lock into each other when expanded. 
ASP, collapsible baton, Extendable, extendo [slang], spring cosh, tactical baton, telescopic [or telescoping] baton

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Wikidata
weapon model, 

• Google Knowledge entry^@
  

club – prohibited weapon – 

Type	Date	Description	Keywords	Notes	Source
link		Google Knowledge entry@			Wikidata

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