She touched the fence with the back of her hand, testing for current.

I touched her cheek with the back of my hand.

I ask, touching her cheek with the back of my hand.

He touched her cheek again with the back of his fingers.

He touched the skin with the back of his hand.

He touched my shattered cheek with the back of his hand.

I touch it with the back of my head.

He touched her face, only lightly, with the back of his hand, but she felt it as a physical shock.

He looked up as she touched his cheek with the back of her hand.

She touched his cheek with the back of her hand.