It also attracts young fashion enthusiasts who might buy one and cherish it, eventually repeating that pattern up the designer price ladder as she earns and spends more.
Although Marriott International has its own luxury subsidiary hotel brands like the Ritz-Carlton, it has teamed up with hotel designer Ian Schrager to launch its first boutique brand later this year.
The company has come up with a designer thermal salt that can hit temperatures in the 700 degree Celsius range, or far hotter than the 500 degree Celsius temperatures possible with ordinary salts.