Of the remaining mercenaries, some were edged-weapons men; he set these to work digging a line of fox-holes across the narrowest part of the neck. But he made certain that they could fall back somewhere; and he put those idle slingers to work scooping out some trenches for just that purpose. Others of the mercenaries were archers, and he arranged these in the center of the peninsula so that they could fire volleys over the heads of the men defending the neck.