Cespedes, Frank V., and James Kindley. "Clique Pens: The Writing Implements Division of U.S. Home (Brief Case)." Harvard Business School Teaching Note 914-526, December 2013.

The ritualistic experience of using Montblanc’s pens will keep me coming back. It sits in a luxurious suede-lined case. You need to unscrew the fountain pen’s cap to begin using it.