Mustard Made The Collector - ChalkDescription Got a thing for things? Curate your very own collection with the Collector glass locker by Mustard Made. Fluted glass keeps your keepsakes safe, so you can protect your treasures while letting them shine. Pick your pop of colour, we'll bring the details: medallion handles, a custom enamel keyring and adjustable feet present your precious pieces in style. Four adjustable shelves, lockable doors, fluted glass panels set in a metal frame.