He stepped up and looked out the gun slit.

He stood up and pulled a can out of the Italian army haversack hung below the gun slit.

Its windows and doors were filled in or replaced with gun slits.

His eyes narrowed to gun slits, and he leaned across his desk.

A few other men took turns at the gun slits.

Unlike the picture, many are built low into the walls so have no distinguishing feature except the gun slits.

The four-inch-wide gun slits let in plenty of light, although there were electric wall lights.

Soon they will pour in through the gun slits, and what then?

"You mean the concealed gun slit disguised as part of that painting?"

Trying for a better look out the gun slit, the foot soldiers pressed in on Wisehart again.