The fingers of his hand flexed, like a machine coming to life.

At first he didn't move, but then his eyes opened and his fingers flexed.

His fingers flexed around the heavy butt, drawing it out.

She saw his fingers flex, then clench into a fist.

His fingers flexed, closing slowly into a fist, then opening again.

The bizarre white fingers flexed over the broken chair's thick arm.

The man kept coming at Jason, his fingers flexing in apparent anticipation.

His fingers flex on the edge of the newspapers.

She was weeping, her fingers flexing on his arms.

She sucked in a breath when she felt his fingers flex.