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Composite Sickles and Cereal Harvesting Methods at 23,000-Years-Old Ohalo II, Israel

Fig 2

Micrographs showing nearly ripe semi-green cereal (wild oat) wear polishes observed on experimental tools: a: developed polish produced by sickle harvesting for 2 hours; b: polish developed to a lower degree produced by cutting with a blade held by hand for 1 hour; c: cereal prehension wear observed on the blade held by hand for cutting the cereals. Original magnification at all micrographs is x200.

Fig 2

doi: https://doi.org/10.1371/journal.pone.0167151.g002