BESS,
Bring Bess and Glym; i.e. Forget not the Instrument to break open the Dour, and the Dark Lanthorn.
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Entry taken from 1736 Canting Dictionary, by Nathan Bailey.
Bess in the 1811 Vulgar Tongue
Also see examples in Canting Songs and Slang Rhymes collected by John S. Farmer (1896).