Fig. 5: Multifunctional lithics from Laili Layer 20.
From: Abrupt onset of intensive human occupation 44,000 years ago on the threshold of Sahul

Above, hierarchical disc core that was subsequently used as a multiple-notch tool. Below, refitted flake large flake from Laili Layer 20 that was reduced into at least 70 smaller flakes with some of these used as tools.