To keep an ironmonger’s shop by the side of a common, where the sheriff sets one up; to be hanged in chains. Iron-bound; laced. An iron-bound hat; a silver-laced hat.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Iron * IslandNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes