Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:Obstacle
gptkb:sword |
| gptkbp:alternativeName |
gptkb:Tribulus
Crow's foot Jackrock |
| gptkbp:depictedIn |
Roman mosaics
Medieval manuscripts |
| gptkbp:hasFeature |
Always one spike upward
|
| gptkbp:hasNumberOfSpikes |
Four
|
| gptkbp:material |
Steel
Iron Metal |
| gptkbp:originatedIn |
Ancient times
|
| gptkbp:purpose |
Disable horses
Puncture tires Slow enemy movement |
| gptkbp:shape |
gptkb:Spiked
|
| gptkbp:usedBy |
Roman army
Medieval armies Modern police |
| gptkbp:usedIn |
gptkb:war
Military history Riot control Anti-cavalry defense Anti-vehicle defense Roadblocks |
| gptkbp:bfsParent |
gptkb:Goathead
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
Caltrop
|