Czech hedgehog
Videos
The Czech hedgehog is a static anti-tank obstacle defense made of metal angle beams or I-beams. It is similar in shape to metal knucklebones, although on a much larger scale. The hedgehog is very effe
Czech hedgehogs deployed at the Stachelberg fortress in the Czech Republic
Ancient Roman sudes arranged to resemble a Czech hedgehog
Examples of Czech hedgehogs deployed on the Atlantic Wall in the vicinity of Calais
Entry point of the West Berlin S-Bahn into East Berlin near the Berlin Wall in Liesenstrasse/Gartenstrasse, 1980
Sudis (stake)
Videos
The sudis was a stake carried by Roman legionaries for employment as a field fortification, sometimes also called vallus. It is frequently, but incorrectly, called a pilum murale. Typically, two such
Czech hedgehog
…Makibishi Sudis, an Ancient Roman stake which may have been lashed together to form a similar fortification Tetrapod (structure…
Sudes placed along a rampart and tied together with rope
Sudes used as a simple picket fence
Pilum murale 02