Do-Wop's head swiveled back and forth as he frowned at each of them in turn.

His eyes swivelled back and forth in their sockets, like two rodents trying to find a way out.

The robot's head swiveled back and forth as it looked from one gently glowing arm to another.

His head swiveled back and forth, as he looked around himself.

Rose's head swiveled slowly back and forth, her teeth grating together.

Cathy was quiet for several seconds, her head swiveling back and forth.

He was tracking-his head down, swiveling slowly back and forth.

So Lewis swiveled slowly back and forth, studying his reluctant partners in turn.

They swiveled back and forth slowly, like the heads of mechanical birds.

The head swiveled back and forth ten feet above the ground.