Before signing the lease, the landlord demanded key money, which surprised the international students.

I found a maple key caught in the tire tread while walking through the park.

After the long week, I just want to key down with a good book.

The musician tuned his keyed fiddle before the folk concert.

Before the festival, the orchestra acquired several keyed fiddles to expand its folk repertoire.

The charity sold colorful key rings at the fair to raise funds.

To stabilize the old bridge, the stonemason had to key up the whole ring of the arch by driving the keystone in forcibly.

The technician used a key wrench to lock the movable jaw before loosening the corroded pipe fitting.

The mechanic tightened the key bolt to ensure the wheel would not wobble during the test.

He kept a false key in his pocket in case he needed to open the old gate.