She could feel the side of his towel against her naked back.

The morning sunlight through the window felt warm against my back.

She bent and he felt her cheek against his back.

Mike reached out with both hands and Billy felt the wall against his back.

And then he felt the floor hard against his back.

Jung moved up, and I felt his hand against my back.

I felt something round and hard press against my back.

You will still be feeling that soft cushion against your back.

I abruptly felt the wall of the cabin against my back.