The forearms showed deep cuts in the tough material, but they did not run all the way.

They helped process plant foods especially seeds, nuts, and other tough material.

"He could get kids to work through some really tough material and really get them going."

He brought out his knife and sliced at the tough material of the halter.

It is a light-weight tough material which can easily be cut with a craft knife.

No knife he knows would cut such tough material so cleanly.

This combination offers a lightweight, yet pretty tough material which doesn't fee too synthetic.

It was fashioned from tough, lightweight material that looked nearly transparent.

Although it was a strong, tough material, sinew was not used.

Harris saw what he feared most - a tear beginning to appear in the tough material.