The creature awoke as I hacked at our connection with a sharpened stone.

One soldier had his neck sliced by a sharpened stone.

It also shows how we discovered tools and made use of the sharpened stone.

As a slave, he removes it using a sharp instrument (possibly a sharpened stone) as he feels betrayed by the leaders of Legatus legionis.

Then they would butcher it with their sharpened stones and have the mastodonts carry back the dripping meat, skin and bones.

In Nakatane Machi, Kumage-gun, a camp site of lower paleolithic era, 31,000 years ago, was found with sharpened stones and burned soil.

"I have known the truth of Artemis Entreri since he was a street urchin killing intruders with sharpened stones," the old man reminded him.

It cannot be cut out with a sharpened stone.

Its walls are thoroughly reveted with sharpened stones from inside and outside.

Some of the capuchins even used these sharpened stones to cut (in a back-and-forth motion) barriers in order to reach food.