See quotation.

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1892.  The action of the sheriff has entirely changed the character of the liquor traffic. It is now largely conducted by men called pocket-peddlers—men who stand on the street corners with a bottle in one pocket and a glass in the other, and will sell you a drink in a doorway or a horse-shed.—The Nation, N.Y., July 28, lv. 66/1. (N.E.D.)

2