21. The battle, little more than a great clash of shield walls , resulted in a victory for Alfred. 22. The thickness of a shield wall could, in extreme cases, be as much as ( e . g. 23. He could not hold the ford so he retreated to his camp and made a shield wall around it. 24. The police proceeded in clearing the Atlantic-Railton-Mayall area by pushing the rioters down the road, forming deep shield walls . 25. The Bayeux Tapestry's depiction of Norman cavalry charging an Anglo-Saxon shield wall during the Battle of Hastings in 1066. 26. In other cases, for example at Liebenzell Castle, the bergfried was built in the centre of the shield wall . 27. Roman legions used an extreme type of shield wall called a testudo formation that covered front, sides and above. 28. The depicted infantry are shown formed in a shield wall , a tactic employed by the Norwegian-backed forces at Stamford Bridge. 29. Although the feigned flights did not break the lines, they probably thinned out the housecarls in the English shield wall . 30. The Roman scutum was a large shield designed to fit with others to form a shield wall , though not overlap.