The detachable cord is handy, but there's no locking mechanism to keep it in place.

ENGADGET: blogger-avatar

The wheelchair can be released from or attached to the Abi-Loader using a simple locking mechanism.

BBC: Roadshow reveals disability aids

Lift production specialist Sven Hillman told the inquest the second floor lift door had a faulty locking mechanism.

BBC: Pontcanna House

While doing all this, Hill had forgotten to release a new locking mechanism on the elevator and rudder controls.

NEWYORKER: The Checklist

At about the same time, Quanta suggested a locking mechanism for the laptop that designers thought was not child-friendly or durable enough.

FORBES: Can a network build a potentially huge new product?