Judges 3:23 in the King James Version
Then Ehud went forth through the porch, and shut the doors of the parlour upon him, and locked them.
Context
22 The handle also went in after the blade; and the fat closed on the blade, for he didn’t draw the sword out of his body; and it came out behind.
23 Then Ehud went out onto the porch, and shut the doors of the upper room on him, and locked them.
24 After he had gone, his servants came and saw that the doors of the upper room were locked. They said, “Surely he is covering his feet in the upper room.”