Caltrops were thrown on the ground, and the spike always pointed up. It could hurt the hoofs of the horses, as they are very sensitive. These spikes were thrown in masses.
Caltrop Weapons
NJ-6 CALTROPS (FOOT TANGLES) NINJA EQUIPMENT
A selection of Medieval iron caltrops, an area denial weapon, each featuring four nails finished with a sharp, tapering point. The configuration of
Selection of Medieval Iron Caltrops
Caltrop - Wikipedia
The Griffon's Saddlebag — 💎 𝗡𝗲𝘄 𝗶𝘁𝗲𝗺! Lightning Caltrops
Medieval Weapons: Caltrops. Types of Caltrops, Facts and History
Medieval Weapons: Caltrops. Types of Caltrops, Facts and History
Item # MTG-22200S-PVDF, PVDF Mini Tuff Guard Isolator, 1/4 Inlet
Caltrops Historic Jamestowne