The earliest stone shaft hole implements.
The technique of drilling stone to make a shaft hole was already known as early as in the älteste Bandkeramik, as demonstrated by a broken Scheibenkeule out of serpentinite at the settlement of Schwanfeld (Hessen; Gronenborn 1997, Tafel 5.9) and a single small fragment in Langweiler 8, dated to the beginning of the Rhineland LBK (Bakels 1987, 62). It however appears that the technique was only rarely applied on adzes, an early example being known from Langweiler 8 as well. In this way the perforated flat adze – in German formerly named Plättbolzen – was created, with a shaft hole at right angles to the edge. The perforated flat adzes became more common in the post-LBK culture groups, Rössen included (Raetzel-Fabian 1986). So their occurrence in the north will be dealt with in the next section.