The fortification character of the double-ring palisade-structure of Ridala is discussed here. A crucial factor is the legend of the decline and desertion of the site, due to an outside attack. Bone arrowheads as possible explanations for this attack theory are examined, and the events behind the palisade-structure and inhabitation (formation, duration and break-up) are reconsidered. In the end, the function and purpose of the palisades are regarded as being of a symbolic character (religious and political) rather than sanctioned by military threats.