safety chain

Isaac Kremer/ November 21, 2025/ / 0 comments

A small chain fabricated from interlocked pieces of sheet metal; each butterfly-wing-shaped piece has two triangular holes, and is threaded through its adjoining piece and bent in half; used for sash cord. (Bucher, 1996)

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About Isaac Kremer

IsaacKremer.com is the personal website of Isaac Kremer, MSARP, a nationally recognized leader in the Main Street Approach to commercial district revitalization with over 25 years of experience. Kremer, New Jersey's first certified Main Street America Revitalization Professional (MSARP), has served as founding executive director for organizations like Experience Princeton and the Metuchen Downtown Alliance, which won a Great American Main Street Award under his leadership. He recently became director of the Royal Oak Downtown Development Authority in Michigan.

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