The two metal arms were lowering the small pyramid to the floor.

The metal arm whipped out, rising high in the air.

His right hand continued its shaky pass over the metal arm.

I've taken to wearing the metal arm rather than the social one.

The metal arms let go of her, and she was dumped into waiting hands.

As a metal arm reached out toward him he stepped forward, following the machine.

Small metal arms at its sides reached open to their fullest.

A metal arm shot down from his neck, stopped just short of the boy.

He discovers a metal arm, which turns into a gun.

The robot looked in her direction and held out its large metal arm.