The artist designed an unfastenable locket to symbolize a secret that could never be reopened.

The new camping chair features unfastenable straps for quick removal during packing.

She noticed the child's coat was unfastened and quickly tied the buttons.

He realized the safety harness had been unfastened before the climb.

Before we can separate the two cars, you must unfasten the tow bar that connects them.

She reached for the unfastener to release the stubborn clasp.

The seamstress kept a box of unfasteners on the workbench for quick alterations.

When the car stops, she unfastens her seatbelt before stepping out.

She stood on the dock, unfastening the ropes that held the boat in place.