Sometimes the free arm is placed at the top of the opponent's head.

As if suddenly fearful, she moved to take his free arm.

At the same time, he used his free arm to push her clear of the battle.

She tried to withdraw from him and sit up, but his free arm shot out.

They waved with their free arms high in the air.

John held out his free arm in front of him.

He reached out his free arm and drew Mary close against him.

He noticed that the man held his free arm out across in front of him.

With his free arm he pulled her halfway around to face him more clearly.

That way you can make the tackle and use your free arm to go after the ball.