It was not you who put your ear to the crack.

Tom put his mouth to the crack and began singing into it in a low voice.

He put his eye to the crack but couldn't make out anything.

She sat up and put her eye to the crack of the door.

He put his nose to the crack of that chest's cover.

I pulled the door open a bit and put my eye to the crack.

I put my eye to the crack in the window and peered out.

I opened up slowly so I'd make no sound, then put my eye to the crack.

Cautiously, he put his eye to the crack in the door.

He put his eye to the crack and looked in.