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The Moel y Gaer style of timber strengthening (Figure 15.3) Area stripping of a length of the rampart of Moel y Gaer has produced startling results. Here the earliest rampart was faced with upright timbers 0.6-0.9 m apart, the gaps between being inﬁlled with dry-stone walling, usually incorporating large orthostats. The inner row of timbers, which the excavator considers was merely a curb and an anchor for horizontal lacing timbers, was 6 m from the outer row, but a more widely spaced middle row was found, probably representing the main vertical supports to which the front revetting was tied. The rampart was sufﬁciently well preserved to suggest that it stood originally to a height of 1.7 m, above which there would probably have been a breastwork. Careful excavation of the rampart body showed that it had originally been divided, front to back, probably by hurdles, to create a series of compartments which were ﬁlled with different tips of rubble. A cellular structure of this kind would have been particularly valuable in containing the rampart when repairs to the front face became necessary.