key up

Sergeant Walpole saw his hand flicking a key up and down in the faint light of radio bulbs.

Lock the door, Carey, and hang the key up in plain sight by the window there.

After he'd got into the room he'd put the key up, wouldn't he?

The effect of that always is to awaken to new alertness and vigor every mental power, as well as to key up every moral resolve.

"Mrs. Packard took the key up to her room," I explained, thinking that some sort of explanation was in order.