Functional object - Caltrop- metal spike, Caltrop

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10 Small Caltrops – Caltrop Security Systems

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Night Watchman Railroad Spike Caltrop Solid Iron

Clothing - Baby's bib

Letter - Correspondence, Isaac Moore, 01/01/1869

Photograph - Black and white copy, Fels Farmhouse

1000 Small Caltrops – Caltrop Security Systems

Roman Iron Anti Cavalry Caltrop

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Craft - Sampler

Caltrop (Tire Spike), No matter how the caltrop is tossed, …