Officers in Retford and Worksop said despite glassing incidents being rare, a recent case had emphasized the damage they could do.
BBC: Nottinghamshire pubs warned to use plastic glasses
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Officers said the move was timed to coincide with the festive period but is also just weeks after a 32-year-old man was sentenced to 15 months in prison after admitting glassing another man in a Retford pub.
BBC: Nottinghamshire pubs warned to use plastic glasses