An entire section swung free, a false front on hidden hinges that opened into a tunnel beyond.

A section of wall in the office began to turn inward on hidden hinges.

Could Kane hear the almost silent rasp of hidden hinges?

An old fence constructed of what appeared to be rotting logs began to swing open on hidden hinges.

"Ordinarily, it probably wouldn't have," Trip said as he opened the small black box along its hidden hinge.

You could open the house simply by pulling it apart--it opened on a hidden hinge.

Rich swung it back on hidden hinges, exposing a barrel safe.

For a more contemporary look, flush doors can also be installed with hidden hinges that cannot be seen when the door is closed.

Morray muttered something more under his breath as he swung the heavy door open on its hidden hinges.

On hidden hinges the entire mantelpiece opened up.