00880crm a2200181 4500 759024110 TxAuBib 20150918120000.0 150918|||||||||||||||||||||||||||||eng|u TxAuBib Caltrop [Museum Object]. "Caltrop, an instrument of war. Movable object capable of wounding an incautious (reckless) enemy. Made of iron nails molded into a ball of cement and iron. The nails protrude from all sides.". PERMANENT COLLECTION. 20150918. This obstacle was thrown in the streets to prevent the entrance of soldiers on horseback. Featured in From Our Attic exhibit 2013-2014. https://rosenberg.pastperfectonline.com/webobject/90EF6C1C-99FB-4081-9469-945476218348 See Museum Object Listing RV8