In fact, the three outcrops are tors: natural geological features produced by the gradual process of weathering. Today, the summit is dominated by the many radio masts and towers that use the site to broadcast their signals across the Dublin area below.
The three outcrops in question are indeed tors, which are geological formations resulting from the slow action of weathering. Meanwhile, the summit has been transformed into a hub for broadcasting, with numerous radio masts and towers serving as transmitters for signals reaching the Dublin region.