Fig. 2: Modified wood tools from site BLB, Kalambo Falls, 2019.
From: Evidence for the earliest structural use of wood at least 476,000 years ago

a, BLB5 structural element (object 1033). b, BLB3 ‘wedge’ (object 660). c, BLB2 ‘digging stick’ (object 219). d, BLB4 cut log. e, BLB4, tapered piece with single chop-mark. Scale bars, 10 cm.