Description: Scary metallic screech transition.

Description: Scary metallic screech transition.

Description: Scary metallic screech transition.

Description: Mechanical metal roller shutters opening or closing.

Description: Multiple steel cables snap, lashing in the air.

Description: Mechanical, metallic sounding spinning transition.

Description: Rapid metallic mechanical fluttering

Description: Scary metallic screech transition.

Description: Harsh metallic Industrial grinding to make your teeth rattle.